Consulta: subjectFacets:"Biofuels"
Registros recuperados: 161
Data/hora: 04/06/2024 00:54:50

Género, territorio y reconversión productiva a palma de aceite en el Valle del Tulijá, Chiapas, México.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Linares Bravo, Bárbara Carolina.
Este trabajo describe, desde una perspectiva territorial y de género, el proceso de reconversión productiva a palma de aceite y sus repercusiones en tres localidades indígenas del Valle del Tulijá, Chiapas, México. La información aquí presentada, se recolectó y analizó a través de un enfoque mixto de investigación, utilizando la encuesta y la entrevista semiestructurada como herramientas principales. Se encuentra que la reconversión productiva a palma de aceite, cuyo destino comercial es la industria alimenticia y de biocombustibles, ha sido promovida desde agentes locales, nacionales e internacionales, impactando diferencialmente en el ámbito local, con base en las desiguales relaciones de poder encontradas al interior del territorio. Al sustituir una...
Palavras-chave: Biocombustibles; Globalización neoliberal; Políticas públicas; Relaciones de género; Biofuels; Food crisis; Neoliberal globalization; Public policies; Gender relationships; Desarrollo rural; Maestría.
Ano: 2014
URL: http://hdl.handle.net/10521/2370

Impacto de la producción de biocombustibles en Estados Unidos en el mercado de maíz (Zea maíz L.) en México.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Romero Padilla, Arely.
En los últimos años, México ha venido importado grandes cantidades del maíz que consume su población. Ante esta dependencia alimentaria, nuestro país es vulnerable a los cambios en la producción internacional de este cereal y altamente susceptible a las decisiones y políticas que se establecen en Estados Unidos por ser éste el principal proveedor de maíz a México y el principal productor y exportador a nivel mundial. Aunado a ello, ante la crisis energética mundial se ha dado un crecimiento en la producción de biocombustibles, en donde Estados Unidos ha destinado gran parte su producción de maíz a la generación de etanol, lo que impacta directamente la disposición de este cereal para exportarse a los países deficitarios como México.  El objetivo de este...
Palavras-chave: Importaciones; Biocombustibles; Maíz; Políticas Agrícolas; Precios Agrícolas; Imports; Biofuels; Corn; Agricultural Policy; Agricultural Prices; Economía; Maestría.
Ano: 2013
URL: http://hdl.handle.net/10521/1872

Biocarbones (Biochars), caracterización y efecto en la biomasa y nutrición de N P K en una gramínea.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Escalante Rebolledo, María Ariadna.
Uno de los desafíos actuales para la ciencia y la tecnología  es crear o innovar conocimientos existentes que permitan resolver las necesidades que tiene la población del país. Para ello es necesario conocer tales necesidades y poder estudiar las estrategias y tecnologías pertinentes que lleven a la solución de dicha situación. La demanda alimenticia actual en México es cada día mayor y ésta contrasta con el estado de abandono del campo. En particular nos preocupa el grado de deterioro que presenta el recurso suelo, así como la escasez de prácticas agronómicas que eleven la productividad de los cultivos. Esto nos lleva a probar tecnologías que en otras partes del mundo, aunque sea a nivel de investigación, han resultado en un beneficio para el campo. El...
Palavras-chave: Biochar; Pirólisis; Caracterización; Secuestro de carbono; Bioenergía; Biomasa; Pyrolysis; Soil carbon sequestration; Biofuels; Biomass; Edafología; Doctorado.
Ano: 2013
URL: http://hdl.handle.net/10521/2209

Integración de Jatropha curcas L. en agroecosistemas como materia prima para biodiesel en la región centro de Chiapas, México.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Solís Guzmán, Blanca Flor.
Jatropha curcas L. es una opción de importancia en Chiapas como materia prima para biodiesel y se han establecido alrededor de 10 mil hectáreas, aún con escasa información como cultivo. El objetivo de este trabajo fue determinar el potencial de integración de J. curcas en agroecosistemas de la Región Centro de Chiapas, México. Esta investigación se realizó en tres etapas de 2008 a 2011. Primero se determinaron áreas potenciales con el programa ArcView GIS Ver. 3.2®, en dos escenarios: 1) pendiente ≥5 ≤15 % y 2) pendiente ≥0 ≤15 %; el segundo analizó la actitud y aptitud de productores hacia J. curcas como cultivo, usando el índice de Likert y análisis estadísticos univariados y bivariados; el tercero determinó la factibilidad financiera para cultivar J....
Palavras-chave: Jatropha curcas; Cultivos asociados; Biocombustibles; Chiapas; Intercropping; Biofuels; Doctorado; Agroecosistemas tropicales.
Ano: 2011
URL: http://hdl.handle.net/10521/698

Jatropha cultivation in Malawi and Mozambique: impact on ecosystem services, local human well-being, and poverty alleviation
Provedor de dados: Ecology and Society
Autores: von Maltitz, Graham P.; CSIR, South Africa; Nelson Mandela Metropolitan University, South Africa; gvmalt@csir.co.za; Gasparatos, Alexandros; Integrated Research System for Sustainability Science (IR3S), University of Tokyo, Tokyo, Japan; gasparatos@ir3s.u-tokyo.ac.jp; Fabricius, Christo; Sustainability Research Unit, Nelson Mandela Metropolitan University, South Africa; christo.fabricius@nmmu.ac.za; Morris, Abbie; Independent development practitioner, Malawi; Chittock.abbie@gmail.com; Willis, Kathy J.; Department of Zoology, University of Oxford, UK; Royal Botanical Gardens Kew, UK; kathy.willis@zoo.ox.ac.uk.
Jatropha-based biofuels have undergone a rapid boom-and-bust cycle in southern Africa. Despite strong initial support by governments, donors, and the private sector, there is a lack of empirical studies that compare the environmental and socioeconomic impacts of Jatropha&amp;#8217;s two dominant modes of production: large plantations and smallholder-based projects. We apply a rapid ecosystem services assessment approach to understand the impact of two Jatropha projects that are still operational despite widespread project collapse across southern Africa: a smallholder-based project (BERL, Malawi) and a large plantation (Niqel, Mozambique). Our study focuses on changes in provisioning ecosystem services such as biofuel feedstock, food, and woodland products...
Tipo: Peer-Reviewed Reports
Palavras-chave: Biofuels; Ecosystem services; Jatropha; Malawi; Mozambique; Smallholders.
Ano: 2016

Ex Ante Scale Dynamics Analysis in the Policy Debate on Sustainable Biofuels in Mozambique
Provedor de dados: Ecology and Society
Autores: Schut, Marc; Knowledge, Technology and Innovation Group, Wageningen University and Research Centre; marc.schut@wur.nl; Leeuwis, Cees; Knowledge, Technology and Innovation Group, Wageningen University and Research Centre; cees.leeuwis@wur.nl; Paassen, Annemarie van; Knowledge, Technology and Innovation Group, Wageningen University and Research Centre; annemarie.vanpaassen@wur.nl.
In this paper, we explore how ex ante scale dynamics analysis can contribute to better understanding of interactions between scales and levels, and how these interactions influence solution space in policy processes. In so doing, we address opportunities and challenges of conducting ex ante scale dynamics analysis as part of an action-oriented social science research approach that seeks to enhance its contribution to more scale-sensitive policy development. The policy debate on sustainable biofuels in Mozambique provides the empirical context in which we analyze interactions across administrative, institutional, and economic scales and levels, and how these interactions influence the space in which policy solutions can be explored and designed.  On the...
Tipo: Peer-Reviewed Reports
Palavras-chave: Action-oriented research; Biofuels; Ex ante scale dynamics analysis; Mozambique; Policy processes; Scale and level; Sustainability.
Ano: 2013

The Social and Environmental Impacts of Biofuel Feedstock Cultivation: Evidence from Multi-Site Research in the Forest Frontier
Provedor de dados: Ecology and Society
Autores: German, Laura; Center for International Forestry Research (CIFOR); L.GERMAN@cgiar.org; Schoneveld , George  C.; Center for International Forestry Research (CIFOR); G.Schoneveld@cgiar.org; Pacheco, Pablo; Center for International Forestry Research (CIFOR); p.pacheco@cgiar.org.
Preoccupation with global energy supplies and climate change in the global North, and a desire to improve the balance of trade and capture value in the emerging carbon market by developing countries, together place biofuels firmly on the map of global land use change. Much of this recent land use change is occurring in developing countries where large agro-ecologically suitable tracts of land may be accessed at lower economic and opportunity cost. This is leading to the gradual penetration of commercial crops that provide suitable biofuel feedstocks (e.g., sugarcane, soybean, oil palm, jatropha) into rural communities and forested landscapes throughout many areas of the global South.   Expansion of biofuel feedstock cultivation in developing countries is...
Tipo: Peer-Reviewed Reports
Palavras-chave: Africa; Biofuels; Environmental impacts; Forest frontier; Latin America; Social impacts; Southeast Asia.
Ano: 2011

The Role of Systems Modeling for Sustainable Development Policy Analysis: the Case of Bio-Ethanol
Provedor de dados: Ecology and Society
Autores: Chan, Albert W; National Research Council of Canada; albert.chan@nrc.ca; Hoffman, Robert T; ;; McInnis, Bert; ;.
A dynamic systems modeling technique has been developed to assess technologies according to the criterion of sustainability. In a case study, the potential contribution of bio-ethanol toward achieving Canada&amp;#8217;s commitment to the Kyoto targets for greenhouse gas reductions is analyzed. The analysis concludes that, although bio-ethanol may help reduce greenhouse gas emissions, the technology by itself is insufficient to meet the Kyoto target. Applying the systems modeling approach to analyze sustainability helps highlight those policy issues that warrant more in-depth study. Although the systems model may not provide definitive answers, it raises relevant questions about physical constraints that might be encountered and estimates the extent to...
Tipo: Peer-Reviewed Reports
Palavras-chave: Bio-ethanol; Biofuels; Dynamic systems modeling; Emission targets; Energy crops; Light-duty vehicles; Policy analysis; Sustainability analysis.
Ano: 2004

Global Impacts of European Agricultural and Biofuel Policies
Provedor de dados: Ecology and Society
Autores: Prins, Anne Gerdien; Netherlands Environmental Assessment Agency (PBL); Annegerdien.Prins@pbl.nl; Eickhout, Bas; Netherlands Environmental Assessment Agency (PBL); European Parliament; Bas.Eickhout@pbl.nl; van Meijl, Hans; Agricultural Economics Institute (LEI); Hans.vanMeijl@wur.nl; Rienks, Willem; Rom3D, formerly Alterra, Research Institute for the Green Space, Wageningen University and Research Centre; Willem.Rienks@wur.nl; Woltjer, Geert; Agricultural Economics Institute (LEI); Geert.Woltjer@wur.nl.
Food supply and food distribution have been and are important issues in the global political arena. The recent emergence of biofuel policies has increased the influence of the policy arena on agricultural production. In this paper we show the regional impact of changes in the European Common Agricultural Policy and biofuel policy. Shifting trade patterns, changes in agricultural production, and expansion of agricultural area or intensification of agriculture result in changes in land use and land use emissions. Higher prices for agricultural crops on the world market together with changing production raise agricultural income. Brazil is the region the most affected. The results show that arrangements or policies will be needed to avoid negative impacts in...
Tipo: Peer-Reviewed Reports
Palavras-chave: Agricultural income; Biodiversity; Biofuels; CAP reform; Land use.
Ano: 2011

Environmental and Social Impacts of Oil Palm Plantations and their Implications for Biofuel Production in Indonesia
Provedor de dados: Ecology and Society
Autores: Obidzinski, Krystof ; Center for International Forestry Research (CIFOR); kobidzinski@cgiar.org; Andriani, Rubeta ; Center for International Forestry Research (CIFOR) ; r.andriani@cgiar.org; Komarudin, Heru; Center for International Forestry Research (CIFOR) ; h.komarudin@cgiar.org; Andrianto, Agus ; Center for International Forestry Research (CIFOR) ; a.andrianto@cgiar.org.
This paper reviews the development of oil palm with linkages to biofuel in Indonesia and analyzes the associated environmental and socioeconomic impacts. We selected three plantation study sites in West Papua (Manokwari), West Kalimantan (Kubu Raya), and Papua (Boven Digoel) to assess the impacts. Research findings indicate that the development of oil palm in all three sites has caused deforestation, resulting in significant secondary external impacts such as water pollution, soil erosion, and air pollution. In terms of social impacts, many stakeholder groups, i.e., employees, out-growers, and investing households, report significant gains. However, we found these benefits were not evenly distributed. Other stakeholders, particularly traditional...
Tipo: Peer-Reviewed Reports
Palavras-chave: Biofuels; Environmental impacts; Oil palm; Socioeconomic benefits.
Ano: 2012

Land-based Investments for Rural Development? A Grounded Analysis of the Local Impacts of Biofuel Feedstock Plantations in Ghana
Provedor de dados: Ecology and Society
Autores: Schoneveld , George  C.; Center for International Forestry Research (CIFOR); Utrecht University; G.Schoneveld@cgiar.org; German, Laura A.; Center for International Forestry Research (CIFOR); L.GERMAN@cgiar.org; Nutakor, Eric; Forestry Research Institute of Ghana (FORIG);.
Tipo: Peer-Reviewed Reports
Palavras-chave: Biofuels; Dispossession; Ghana; Land grabbing; Land tenure; Rural development.
Ano: 2011

The Local Social and Environmental Impacts of Smallholder-Based Biofuel Investments in Zambia
Provedor de dados: Ecology and Society
Autores: German, Laura; Center for International Forestry Research; L.GERMAN@cgiar.org; Schoneveld, George  C.; Center for International Forestry Research; G.Schoneveld@cgiar.org; Gumbo, Davison; Center for International Forestry Research; D.Gumbo@cgiar.org.
High oil prices, recent commitments by industrialized countries to enhance the use of renewable energy, and efforts by developing countries to stimulate foreign investment as a pathway to development have fueled high levels of interest in the biofuel sector throughout much of sub-Saharan Africa. Zambia is no exception. A large, land-locked country with high pump prices and vast tracts of land considered by many to be &amp;#8220;degraded&amp;#8221; or &amp;#8220;underutilized,&amp;#8221; investor interest in the sector has remained high despite uncertainties associated with unproven feedstocks and market fluctuations. While investment in multiple feedstock and production models may be observed, one of the primary investments has been in jatropha outgrower...
Tipo: Peer-Reviewed Reports
Palavras-chave: Biofuels; Jatropha; Outgrower scheme; Zambia.
Ano: 2011

The hedgification of maizescapes? Scalability and multifunctionality of Jatropha curcas hedges in a mixed farming landscape in Zambia
Provedor de dados: Ecology and Society
Autores: van der Horst, Dan; University of Edinburgh; dan.vanderhorst@ed.ac.uk; Vermeylen, Saskia; Lancaster University; s.vermeylen@lancaster.ac.uk; Kuntashula, Elias; University of Zambia; ekuntashula@unza.zm.
We argue that reading the local agricultural landscape is a prerequisite to understanding the plausible local impacts of external drivers for change, such as the introduction of new crops and technologies. Initially driven by a desire to understand the potential for small-scale farmers to produce jatropha biodiesel in a sustainable way, we started to examine how farmers related to trees in different parts of the agricultural landscape. This provided us with insights into small-scale processes of land enclosure and conversion, which indicate that agricultural intensification is taking place. We learned that although the landscape could in theory accommodate a lot of jatropha hedges around existing (maize dominated) arable land, farmers were only creating...
Tipo: Peer-Reviewed Reports
Palavras-chave: Africa; Agricultural intensification; Biofuels; Live fence; Marginal land.
Ano: 2014

Expanding the Role of Systems Modeling: Considering Byproduct Generation from Biofuel Production
Provedor de dados: Ecology and Society
Autores: Rosentrater, Kurt A; U.S. Department of Agriculture, Agricultural Research Service; krosentr@ngirl.ars.usda.gov.
The bioethanol industry has been experiencing rapid growth over the past several years, and is expected to continue to increase production for the foreseeable future. A vital component to the success of this industry is the sales and marketing of processing residues, which are primarily sold as dried distillers grains with solubles (DDGS). Systems modeling, a technique that has been used to predict future demand for bioethanol, can also be used to determine potential byproduct generation rates. This paper discusses the development of one such model, and presents predicted generation of DDGS as well as carbon dioxide emissions from this industry through 2100. These simulation results underscore the growing need to actively pursue research focused on...
Tipo: Peer-Reviewed Response
Palavras-chave: Bioethanol; Biofuels; Byproducts; Carbon dioxide emissions; Distillers grains; Dynamic systems modeling; Policy analysis; Residue generation.
Ano: 2006

Local Social and Environmental Impacts of Biofuels: Global Comparative Assessment and Implications for Governance
Provedor de dados: Ecology and Society
Autores: German, Laura; Center for International Forestry Research; University of Georgia; L.GERMAN@cgiar.org; Schoneveld , George  C.; Center for International Forestry Research; G.Schoneveld@cgiar.org; Pacheco, Pablo; Center for International Forestry Research; p.pacheco@cgiar.org.
The 2000s witnessed the rapid expansion of biofuel plantations in the global South in the context of a growing trend of crop plantation expansion. This trend has been spurred by policies in the European Union, United States, Brazil, and other countries favoring the use of biofuels in the transport sector to enhance energy security and reduce carbon emissions, as well as by the desire of governments in developing countries to harness the stimulus that new commercial investments provide to the agricultural sector and to national economies. Despite these potential benefits, a number of concerns have been raised about the local social and environmental impacts of biofuel feedstock expansion. We shed light on this debate through a synthesis of findings from...
Tipo: Peer-Reviewed Synthesis
Palavras-chave: Biofuels; Developing countries; Environmental impacts; Global South; Social impacts.
Ano: 2011

Effect of Brachionus rubens on the growth characteristics of various species of microalgae
Provedor de dados: Electronic Journal of Biotechnology
Autores: Abou,Reda A.I; Singh,Manjinder; Rivera-Cruz,Anangelica; Power,Grace; Bagby-Moon,Thomas; Das,Keshav.
Background: Cultivation of algae for conversion to biofuels has gained global interest. Outdoor raceway cultivation is preferred because of its lower capital and operating costs. A major disadvantage of outdoor cultivation is susceptibility of algal crops to attack by predatory rotifers. In order to quantify the impact of rotifer attack on different species of algae, we evaluated the growth of eleven microalgal species over a 21-d period after being infected by the predatory rotifer Brachionus rubens. Results: Of the eleven species, Chlorella sorokiniana was the most susceptible with rapid decline in algal growth concomitant with increase in rotifer population growth (3.82/d). In contrast, Synechococcus elongatus andScenedesmus dimorphus were both...
Tipo: Journal article
Palavras-chave: Algae; Biofuels; Biomass; Cyanobacteria; FlowCam; Grazer.
Ano: 2016
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582016000400010

Metabolic engineering: Use of system-level approaches and application to fuel production in Escherichia coli
Provedor de dados: Electronic Journal of Biotechnology
Autores: Gonzalez,Ramon.
Metabolic engineering was formally defined more than two decades ago (Bailey, 1991) and it is now an established discipline. Metabolic engineering is generally defined as the directed improvement of product formation or cellular properties through the modification of specific biochemical reactions or the introduction of new ones with the use of recombinant DNA technology (Bailey, 1991; Stephanopoulos et al. 1998). Therefore, the analysis and engineering/synthesis of metabolic pathways is of central importance to metabolic engineering. The analytical part uses a number of experimental and modeling techniques for the systematic study of cellular responses (in terms of RNA, protein and metabolite levels, metabolic fluxes, etc.) to genetic and environmental...
Tipo: Journal article
Palavras-chave: Biofuels; Escherichia coli; Metabolic engineering; Systems biology.
Ano: 2013
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000300017

EFFECT OF DRYING METHODS ON CRAMBE (Crambe abyssinica HOCHST) SEED COAT PIGMENTATION AND ON OIL AND BIODIESEL QUALITY
Provedor de dados: Engenharia Agrícola
Autores: Silva,Magnun A. P. Da; Biaggioni,Marco A. M.; Sperotto,Felipe C. S.; Macedo,Ana C.; Brandão,Fernando J. B.
ABSTRACT The objective of this study was to evaluate the effect of different drying methods on seed coat pigmentation and quality of oil and biodiesel extracted from crambe. The experimental design was completely randomized with five treatments and four replications, totaling 20 plots. The treatments consisted of drying with heated air, natural air, ground, in the shade and in the plant. Physical and chemical analyzes were performed to verify the quality of grain, oil and biodiesel. The largest amounts of chlorophyll a and b and green beans and the lowest oil content were found in artificial drying with heated air. It was concluded that the drying in the plant presented grains and oil of better quality, but do not interfering in the quality of biodiesel,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chlorophyll; Biofuels; Oilseed.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162016000601167

Genome sequence of the H2-producing Clostridium beijerinckii strain Br21 isolated from a sugarcane vinasse treatment plant
Provedor de dados: Genetics and Molecular Biology
Autores: Fonseca,Bruna Constante; Riaño-Pachón,Diego Mauricio; Guazzaroni,María-Eugenia; Reginatto,Valeria.
Abstract We report on the nearly complete genome sequence of Clostridium beijerinckii strain Br21, formerly isolated from a sugarcarne vinasse wastewater treatment plant. The resulting genome is ca. 5.9 Mbp in length and resembles the size of previously published C. beijerinckii genomes. We annotated the genome sequence and predicted a total of 5323 genes. Strain Br21 has a genetic toolkit that allows it to exploit diverse sugars that are often found after lignocellulosic biomass pretreatment to yield products of commercial interest. Besides the whole set of genes encoding for enzymes underlying hydrogen production, the genome of the new strain includes genes that enable carbon sources conversion into butanol, ethanol, acetic acid, butyric acid, and the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Clostridium; Biofuels; Biohydrogen; Beta-glucosidase.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000100139

Bringing to light the molecular evolution of GUX genes in plants
Provedor de dados: Genetics and Molecular Biology
Autores: Gallinari,Rafael Henrique; Coletta,Rafael Della; Araújo,Pedro; Menossi,Marcelo; Nery,Mariana Freitas.
Abstract Hemicellulose and cellulose are essential polysaccharides for plant development and major components of cell wall. They are also an important energy source for the production of ethanol from plant biomass, but their conversion to fermentable sugars is hindered by the complex structure of cell walls. The glucuronic acid substitution of xylan (GUX) enzymes attach glucuronic acid to xylan, a major component of hemicellulose, decreasing the efficiency of enzymes used for ethanol production. Since loss-of-function gux mutants of Arabidopsis thaliana enhance enzyme accessibility and cell wall digestion without adverse phenotypes, GUX genes are potential targets for genetically improving energy crops. However, comprehensive identification of GUX in...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: GUX; Sugarcane; Phylogeny; Angiosperms; Biofuels.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572020000100602

As palmeiras e a produção de biodiesel.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: COSTA, C. J.; MARCHI, E. C. S.
bitstream/item/75761/1/art-014.pdf
Tipo: Artigo de divulgação na mídia (INFOTECA-E)
Palavras-chave: Biocombusível.; Biofuels.
Ano: 2008
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/571726

National commitments and participation of Embrapa.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: GAMBETTA, R.; LEITAO, R. C.; OTENIO, M. H.; KUNZ, A.
bitstream/item/222450/1/GAMBETTA-SEG-sem-vinculacao-SDG-7-CAP-1.pdf
Tipo: Capítulo em livro técnico (INFOTECA-E)
Palavras-chave: Objetivos de Desenvolvimento Sustentável; Organização das Nações Unidas; Biocombustível; Bioenergia; Agricultura Sustentável; Desenvolvimento Sustentável; Biofuels; Bioenergy; Sustainable agriculture; Sustainable development; Renewable energy sources.
Ano: 2020
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1131173

Produção de hidrogênio e metano a partir de glicerol oriundo de biodiesel.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: LEITAO, R. C.; VASCONCELOS, E. A. F.; VIANA, M. B.; VALE, M. S.; MEDERO, R. I. D.; PINHEIRO, G. C.; FREITAS, I. B. F.; DANTAS, L. P.; NUNES, V. F.; SANTAELLA, S. T.
O glicerol oriundo da produção de biodiesel é uma fonte renovável de carbono para produzir energia via digestão anaeróbia. O objetivo deste trabalho foi maximizar a geração de energia por meio da produção de hidrogênio e metano a partir de glicerol residual proveniente da indústria de biodiesel. Utilizaram-se dois reatores UASB, em escala de laboratório, sendo um hidrogenogênico e outro metanogênico.
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Digestão Anaeróbia; Glicerina; Biogás; Biocombustível; Anaerobic digestion; Biofuels.
Ano: 2018
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1102061

O impacto do uso da terra na sustentabilidade dos biocombustíveis.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: GAZZONI, D. L.
O conceito de mudança indireta do uso da terra e suas implicações: Introdução. Demanda, preços e mudança no uso da terra. Os modelos para cálculo das emissões por ILUC. Questionamentos dos modelos. Propostas de melhorias nos modelos. Contexto e lógica. A formulação teórica e a indução de normas. Eficiência energética e emissões: estudos e controvérsia. 7. Crítica e polêmica. 8. Implementação dos regulamentos 9. Padrões de Combustíveis Renováveis da EPA. 10. Reações. Reino Unido. União Europeia. Sistema de Certificação. Conclusões do Capítulo.Cotejando o ILUC com as estatísticas de produção e uso da terra: Introdução. Contexto. O recurso terra. A produção de biocombustíveis. O uso da terra. Análise da série histórica vis a vis modelos preditivos de ILUC....
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Bicombustível.; Combustível; Uso da terra.; Energy crops; Biofuels.
Ano: 2014
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/976599

Balanço de emissões de CO2 por biocombustíveis no Brasil: histórico e perspectivas.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: GAZZONI, D. L.
RESUMO: O presente estudo teve dois objetivos principais. O primeiro objetivo foi efetuar um balanço entre as emissões efetivamente verificadas com o uso de biocombustíveis (etanol hidratado, etanol anidro e biodiesel) em veículos da frota brasileira, bem como estimar as emissões evitadas, em função do uso de biocombustíveis como sucedâneos de derivados de petróleo (gasolina A e diesel), no período compreendido entre 2000 e 2011. O segundo objetivo foi estimar as emissões dos biocombustíveis e as emissões evitadas por seu uso, em três cenários que se diferenciavam pela manutenção do apoio atual (BAU), incentivo moderado (PRO) ou agressivo (SUS) do Governo Federal ao sistema de PD&amp;I das cadeias de biocombustíveis, à sua produção e uso e à adequação da...
Tipo: Livro técnico (INFOTECA-E)
Palavras-chave: Biocombustível; Combustível; Biofuels.
Ano: 2014
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/987401

Biocombustíveis sólidos: fonte energética alternativa visando à recuperação de áreas degradadas e à conservação do Bioma Caatinga.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: TAVARES, S. R. de L.
De acordo com a definição da Convenção de combate à desertificação e mitigação dos efeitos da seca (CCD), realizada em 1994, desertificação é a degradação da terra nas zonas áridas, semiáridas e subúmidas secas. É um processo que resulta de vários fatores, incluindo as variações climáticas e as atividades humana. No caso do Semiárido brasileiro, o mais populoso do mundo, com 23 milhões de habitante, a principal causa desse fenômeno é o desmatamento da Caatinga, seja para ampliar as áreas de plantio e pastagem, seja para fornecer madeira para os fornos das indústrias locais. Esta obra parte do estudo da realidade da região do Baixo-Açu potiguar, uma das áreas com os piores índices de desenvolvimento humano do País, a qual se encontra em franco processo de...
Tipo: Livro técnico (INFOTECA-E)
Palavras-chave: Semiárido; Código Florestal.; Briquete; Meio Ambiente.; Biofuels; Briquettes.
Ano: 2014
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1000307

Jatropha: Jatropha cultivar with higher oil productivity.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: LAVIOLA, B. G.
Jatropha cultivar with higher oil productivity for insertion in the biofuel energy matrix in Brazil.
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E)
Palavras-chave: Biocombustível; Biofuels; Jatropha; Plant breeding.
Ano: 2021
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1132872

Diesel verde: produção de diesel verde a partir de óleo de palma com catalisadores à base de níquel.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: SOARES, I. P.
Processo de produção de diesel renovável - diesel verde - a partir de óleo de palma, com utilização de catalisadores à base de níquel. Nesse processo, ocorre a formação de hidrocarbonetos semelhantes aos do diesel de petróleo, por meio de reações que envolvem a hidrogenação do óleo, o que propicia à mistura maior estabilidade oxidativa.
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E)
Palavras-chave: Óleo de palma; Diesel verde; Óleo Diesel; Biocombustível; Hidrogenação; Biodiesel; Biofuels.
Ano: 2020
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1126435

Potencial da macaubeira como fonte de matéria-prima para produção de biodiesel.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: CARGNIN, A.; JUNQUEIRA, N. T. V.; FOGAÇA, C. M.
bitstream/item/78012/1/doc-217.pdf
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Planta oleaginosa; Macaúba; Biocombustível; Oil crops; Biofuels.
Ano: 2008
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/571923

Combined Effects of Nitrogen Concentration and Seasonal Changes on the Production of Lipids in Nannochloropsis oculata
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Olofsson, Martin; Lamela, Teresa; Nilsson, Emmelie; Berge, Jean-pascal; Del Pino, Victoria; Uronen, Pauliina; Legrand, Catherine.
Instead of sole nutrient starvation to boost algal lipid production, we addressed nutrient limitation at two different seasons (autumn and spring) during outdoor cultivation in flat panel photobioreactors. Lipid accumulation, biomass and lipid productivity and changes in fatty acid composition of Nannochloropsis oculata were investigated under nitrogen (N) limitation (nitrate:phosphate N:P 5, N:P 2.5 molar ratio). N. oculata was able to maintain a high biomass productivity under N-limitation compared to N-sufficiency (N:P 20) at both seasons, which in spring resulted in nearly double lipid productivity under N-limited conditions (0.21 g L−1 day−1) compared to N-sufficiency (0.11 g L−1 day−1). Saturated and monounsaturated fatty acids increased from 76% to...
Tipo: Text
Palavras-chave: Microalgae; Outdoor; Nannochloropsis; Large-scale; Lipids; Fatty acids; Nitrogen manipulation; Seasonal changes; Biofuels; High value products.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00184/29564/27902.pdf

Genetic diversity of sweet sorghum germplasm in Mexico using AFLP and SSR markers
Provedor de dados: Pesquisa Agropecuária Brasileira
Autores: Pecina‑Quintero,Víctor; Anaya‑López,José Luis; Zamarripa‑Colmenero,Alfredo; Montes‑García,Noe; Nuñez‑Colín,Carlos; Solis‑Bonilla,Jose Luis; Aguilar‑Rangel,María Rocío; Prom,Louis.
The objective of this work was to evaluate the diversity and genetic relationships between lines and varieties of the sweet sorghum (Sorghum bicolor) germplasm bank of the National Institute for Forestry, Agriculture and Livestock Research, Mexico, using AFLP and SSR markers. The molecular markers revealed robust amplification profiles and were able to differentiate the 41 genotypes of sweet sorghum evaluated. Analysis of the frequency and distribution of polymorphic fragments allowed for the detection of unique (AFLP) and rare (SSR) alleles in several genotypes (RBSS‑8, RBSS‑9, RBSS‑25, RBSS‑32, and RBSS‑37), indicating that these markers may be associated with a feature that has not yet been determined or may be useful for the identification of these...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sorghum bicolor; Biofuels; Genetic improvement; Molecular marker; Rare allele.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2012000800009

Distribution and agroclimatic characterization of potential cultivation regions of physic nut in Mexico
Provedor de dados: Pesquisa Agropecuária Brasileira
Autores: Núñez-Colín,Carlos Alberto; Goytia-Jiménez,María Antonieta.
The purposes of this study were to determine the distribution and climatic patterns of current and future physic nut (Jatropha curcas) cultivation regions in Mexico, and to identify possible locations for in vivo germplasm banks establishment, using geographic information systems. Current climatic data were processed by Floramap software to obtain distribution maps and climatic patterns of regions where wild physic nuts could be found. DIVA-GIS software analyzed current climatic data (Worldclim model) and climatic data generated by CCM3 model to identify current and future physic nut cultivation regions, respectively. The distribution map showed that physic nut was present in most of the tropical and subtropical areas of Mexico, which corresponded to three...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Jatropha curcas; Biofuels; Climate modeling; Geographical information systems; Germplasm collection.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000900002

Biofuels, Growth and Agricultural Development
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Msangi,   Siwa.
Global projections for increasing food demand combined with increasing demand for energy from all sources – including crop-based biofuels – point towards greater stress on food systems and their supporting ecosystems. In many parts of the world, increasing household incomes has translated into increasing demands for energy, of which transportation fuel comprises a fast-growing share. Accompanying the world’s steady population growth is an increasing demand for food and the necessary feedstuffs to fuel the requisite increases in livestock production. The combination of these two trends will inevitably lead to greater stresses and demands on the natural resource base and eco-systems that underlie the world’s food and energy production systems – such as land...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Agriculture; Food Security; Agricultural and Food Policy; Food Security and Poverty; Resource /Energy Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/51723

Removing Distortions in the U.S. Ethanol Market: What Does It Imply for the United States and Brazil?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Elobeid,   Amani E.; Tokgoz,   Simla.
We analyze the impact of trade liberalization and removal of the federal tax credit in the United States on U.S. and Brazilian ethanol markets using a multi-market international ethanol model calibrated on 2005 market data and policies. The removal of trade distortions induces a 23.9 percent increase in the price of world ethanol on average between 2006 and 2015 relative to the baseline. The U.S. domestic ethanol price decreases by 13.6 percent, which results in a 7.2 percent decline in production and a 3.8 percent increase in consumption. The lower domestic price leads to a 3.7 percent rise in the share of fuel ethanol in gasoline consumption. U.S. net ethanol imports increase by 199 percent. Brazil responds to the higher world ethanol price by increasing...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Ethanol; Renewable fuels; Trade liberalization; Resource /Energy Economics and Policy; F13; F17; Q17; Q18; Q42.
Ano: 2007
URL: http://purl.umn.edu/9808

The Complexities of the Interface between Agricultural Policy and Trade
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Schmitz,   Troy G.; Schmitz,   Andrew.
Tariff and non-tariff barriers are widespread as applied to agricultural trade. The theory of gains from trade considers the impacts of free trade relative to no trade and to non-tariff barriers, while the theory of agricultural policy generally places little weight on the international trading sector. However, it is necessary to combine agricultural policy with the international trading sector so that agricultural policy instruments such as price supports are considered together with barriers to trade such as tariffs. This is possible within the context of welfare economics when considering the costs and benefits of alternative agricultural and trade policies.
Tipo: Article
Palavras-chave: Agricultural policy; Biofuels; Export taxes; Gains from trade; Tariffs; Agribusiness; Agricultural and Food Policy; Agricultural Finance; Environmental Economics and Policy; International Relations/Trade; Political Economy; Production Economics.
Ano: 2012
URL: http://purl.umn.edu/120424

Impacts of Ethanol on Planted Acreage in Market Equilibrium
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Feng,   Hongli; Babcock,   Bruce A.
Replaced with revised version of paper 07/15/08.
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Complements in supply; Ethanol; (in)direct land use changes; Substitutes in supply; Yield increases.
Ano: 2008
URL: http://purl.umn.edu/37406

The Socially Optimal Import Tariff and Tax Credit for Ethanol with Farm Subsidies
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: de Gorter,   Harry; Just,   David R.; Tan,   Qinwen.
We determine how the U.S. ethanol tax credit and import tariff affect the corn-ethanol-gasoline markets and how farm subsidies interact with these policies. We show how the ethanol tax credit and import tariff each uniquely affect the ethanol and gasoline prices. The ethanol import tariff alone increases the terms of trade in ethanol imports and corn exports, but decreases the terms of trade in gasoline imports and the tax costs of farm price supports. With price-contingent farm subsidies in place, the optimal tariff and tax credit will depend on the price level. When farm subsidy expenditures are high, import subsidies for ethanol may increase social welfare due to the substantial size of the fuel market relative to the corn market.
Tipo: Journal Article
Palavras-chave: Biofuels; Ethanol; Tariffs; Tax credit; Welfare; Agricultural and Food Policy.
Ano: 2009
URL: http://purl.umn.edu/49865

The Long-Run Impact of Corn-Based Ethanol on the Grain, Oilseed, and Livestock Sectors: A Preliminary Assessment
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Elobeid,   Amani E.; Tokgoz,   Simla; Hayes,   Dermot J.; Babcock,   Bruce A.; Hart,   Chad E.
Replaced with revised version of paper 11/17/06.
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Commodity markets; Corn price; Energy markets; Ethanol; Resource /Energy Economics and Policy.
Ano: 2006
URL: http://purl.umn.edu/18290

Are there Carbon Savings from US Biofuel Policies? Accounting for Leakage in Land and Fuel Markets
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Bento,   Antonio M.; Klotz,   Richard; Landry,   Joel R.
This paper applies the insights of the carbon leakage literature to study the emissions consequences of biofuel policies. We develop a simple analytic framework to decompose the intended emissions impacts of biofuel policy from four sources of carbon leakage: domestic fuel markets, domestic land markets, world land markets and world crude oil markets. A numerical simulation model illustrates the magnitude of each source of leakage for combinations of two current US biofuel policies: the Volumetric Ethanol Excise Tax Credit (VEETC) and the Renewable Fuel Standard (RFS). In the presence of both land and fuel market leakage, current US biofuel policies are unlikely to reduce greenhouse gases. Four of the five policy scenarios we consider lead to increases in...
Tipo: Conference Paper or Presentation
Palavras-chave: Multi-market; Carbon leakage; Biofuels; Greenhouse gases; Agricultural and Food Policy; Land Economics/Use; Resource /Energy Economics and Policy; Q42; Q54; Q58.
Ano: 2011
URL: http://purl.umn.edu/104008

Efficiency of a Biofuel Subsidy Policy in the Presence of Environmental Externalities
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Bayramoglu,   Basak.
The object of this paper is to analyze, in a general equilibrium setting with four markets, the efficiency of a biofuel subsidy policy. The analysis takes into account environmental externalities associated both with the production and the consumption of biofuels, as well as associated with the production of agricultural raw material. Our preliminary numerical results, applied to the biodiesel subsidy policy in France, first show that this policy increases the utility of the representative consumer compared to the laissez-faire solution. The same policy action leads, however, to an increased level of agricultural and GHG emissions, in comparison with the laissez-faire solution.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Subsidy; Environment; Environmental Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/44399

CRITICAL ECONOMIC FACTORS FOR SUCCESS OF A BIOMASS CONVERSION PLANT FOR AGRICULTURAL RESIDUE, YARD RESIDUE AND WOOD WASTE IN FLORIDA
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Granja,   Ivan R.; VanSickle,   John J.; Ingram,   Lonnie; Weldon,   Richard N.
This model evaluates the potential success of a cellulosic ethanol plant in Florida. Critical Economic factors of the plant were simulated to assess the ability of this project. These critical factors include the feedstock to be used, the cost of the facility, transportation costs and the discount rate for the net present value (NPV). Results and observations are presented in this paper.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Renewable energy; Cellulosic ethanol; Biomass; Agribusiness; Community/Rural/Urban Development; Crop Production/Industries; Financial Economics; Production Economics; Productivity Analysis; Resource /Energy Economics and Policy; Risk and Uncertainty.
Ano: 2010
URL: http://purl.umn.edu/56442

The Trade-off between Bioenergy and Emissions When Land Is Scarce
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Kauffman,   Nathan S.; Hayes,   Dermot J.
Agricultural biofuels require the use of scarce land, and this land has opportunity cost. We explore the objective function of a social planner who includes a land constraint in the optimization decision to minimize environmental cost. The results show that emissions should be measured on a per acre basis. Conventional agricultural life cycle assessments for biofuels report carbon emissions on a per gallon basis, thereby ignoring the implications of land scarcity and implicitly assuming an infinite supply of the inputs needed for production. Switchgrass and corn are then modeled as competing alternatives to show how the inclusion of a land constraint can influence life cycle rankings and alter policy conclusions.
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Biomass; Energy policy; Land use; Life cycle analysis.; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/98626

Nonlinearities in the US corn-ethanol-oil price system
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Serra,   Teresa; Zilberman,   David; Gil,   Jose Maria; Goodwin,   Barry K.
We use a smooth transition vector error correction model to assess price relationships within the US ethanol industry. Daily ethanol, corn and oil futures prices observed from mid-2005 to mid-2007 are used in the analysis. Results indicate the existence of an equilibrium relationship between ethanol, corn and oil prices. However, only ethanol prices adjust, in a non-linear fashion, to deviations from this long-run parity. Generalized impulse response functions indicate that a shock to both oil and corn prices causes a change in ethanol prices of the same sign. Ethanol responses usually reach a peak after about 10 days of the initial shock and fade away within 35 days.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; United States; Cointegration; Threshold; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6512

Mitigating Land Use Changes From Biofuel Expansion: An Assessment of Biofuel Feedstock Yield Potential in APEC Economies
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Elobeid,   Amani E.; Tokgoz,   Simla; Yu,   Tun-Hsiang (Edward).
The emerging biofuel sector has drawn great interest as an alternative source of fuel for transportation. The expansion of biofuels greatly impacts world agricultural markets, since currently, the primary feedstocks for ethanol and biodiesel production are field crops and their derived products. There is great interest in the potential of countries to expand their biofuel sectors through increased production of feedstocks. The long-term potential for developing first-generation biofuels in many countries depends on a large and constant supply of feedstocks. This may be achieved in two ways: land extensification and/or land intensification. However, expansion of land area comes with a number of environmental challenges highlighted by the recent debate on...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Yield growth; APEC; Land Economics/Use; Productivity Analysis.
Ano: 2009
URL: http://purl.umn.edu/61178

UMA ANÁLISE DA RELAÇÃO ENTRE OS PREÇOS DOS BIOCOMBUSTÍVEIS E DAS CULTURAS ALIMENTARES NO BRASIL: O CASO DO SETOR SUCROALCOOLEIRO
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Melo,   Andre De Souza; Mota,   Daniela Gonzaga Da; Lima,   Ricardo Chaves.
Este trabalho tem como objetivo analisar o impacto do crescimento do preço de etanol no preço do açúcar. Para tal análise utiliza-se a metodologia de vetores autorregressivos para identificar a relação de causalidade entre os preços do etanol e do açúcar. O crescimento do preço do etanol é resultado de um aumento da demanda internacional pela commodity devido a questões ambientais, econômicas e geopolíticas; e resultado também do crescimento do consumo interno de etanol com a introdução de veículos flex na frota brasileira. Com esse aumento da demanda por etanol, foi gerada uma competição com a produção de açúcar, reduzindo a disponibilidade dessa commodity. Como resultado, foi encontrada uma relação de bicausalidade entre os preços do etanol e do açúcar....
Tipo: Conference Paper or Presentation
Palavras-chave: Biocombustíveis; Preço do etanol; Preço do açúcar; Biofuels; Ethanol price; Sugar price; Crop Production/Industries; Demand and Price Analysis.
Ano: 2008
URL: http://purl.umn.edu/109701

Removal of U.S. Ethanol Domestic and Trade Distortions: Impact on U.S. and Brazilian Ethanol Markets
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Elobeid,   Amani E.; Tokgoz,   Simla.
Replaced with revised version of paper 12/06/06.
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Ethanol; Renewable fuels; Trade liberalization; Resource /Energy Economics and Policy.
Ano: 2006
URL: http://purl.umn.edu/18364

Biofuel Growth: Global Greenhouse Gas Emissions Impacts from Changes in Forest Carbon Stocks
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Golub,   Alla A.; Hertel,   Thomas W.; Rose,   Steven K.; Sohngen,   Brent.
There is significant policy interest in liquid biofuels with appealing prospects for energy security, farm security, poverty alleviation, and climate change. Large-scale commercial biofuel production could have far reaching implications for regional and global markets – particularly those related to energy and land use. As such, large-scale biofuels growth is likely to have significant impacts on global greenhouse gas (GHG) emissions. This paper utilizes a CGE model with explicit biofuel, land, and energy markets. The model is able to estimate the effects on the broad range of input and output markets potentially affected globally by biofuels policies. One of the most controversial issues within the biofuels debate is potential indirect changes in land use...
Tipo: Conference Paper or Presentation
Palavras-chave: Land use change; Biofuels; CGE model; Forest carbon stocks; GHG emissions; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/47450

The “not-so-modern” consumer – considerations on food prices, food security, new technologies and market distortions
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Tsioumanis,   Asterios; Mattas,   Konstadinos.
Although food quality and food safety issues seem to dominate discussion and research in Europe, price inflation and economic recession may pose questions over food abundance over the coming years. For the first time since the early seventies, market stability for a number of commodities is seriously questioned. The paper tackles the fluctuation of food prices in the last decade and the reasons behind recent record prices in a series of commodities, trying to investigate whether food shortages may create new problems, even for relatively economically stable nations. Lowering stock levels that induce price volatility, production shortfalls due to adverse conditions that are often correlated to climate change, oil prices, changing diet patterns in regions...
Tipo: Conference Paper or Presentation
Palavras-chave: Food insecurity; Biofuels; Food prices; Market distortion; Financial speculation; Agricultural and Food Policy.
Ano: 2009
URL: http://purl.umn.edu/58151

Economic Feasibility of Bio-Butanol on Marginal Agricultural Lands in Western Colorado
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Keske,   Catherine M.; Brandess,   Andrew; Hoag,   Dana L.; Pearson,   Calvin.
As is the case with most rural agricultural communities, western Colorado is dependent on fossil fuels transported from distant sources. This results in vulnerability to fuel supply disruptions and price shocks (Ederington et al., 2011; Yu, Wang, and Lai, 2008). A predictable and locally derived fuel source may provide stability to the agricultural production supply chain as well as to local commerce (Tareen, Wetzstein, and Duffield , 2000; Western Organization of Research Counsels, 2009). This research project evaluates the economic feasibility of bio-butanol as a locally grown biofuel in western Colorado as a means to encourage farm-level and regional energy sovereignty.
Tipo: Presentation
Palavras-chave: Biobutanol; Biofuels; Marginal Lands; Western Colorado; Agribusiness; Agricultural and Food Policy.
Ano: 2012
URL: http://purl.umn.edu/124047

Making the market: How U.S. Policy influences near term agriculture and biofuel industry production and profitability under technology adoption
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Meyer,   Seth D.; Binfield,   Julian C.R.; Westhoff,   Patrick C.
The beneficiaries of technology adoption in agriculture and biofuels markets in the United States are heavily influenced by domestic biofuel policies and market context. Biofuel mandates, one of the key pillars of domestic biofuel policies, may significantly alter the elasticity of demand for biofuels as well as the derived demand for maize used to produce a significant share of ethanol in the United States. Using a stochastic agriculture and biofuels model, we assess how the introduction of technology may affect the crops and biofuel markets under binding and non-binding biofuel mandates and discuss the implications for analysis of EU biofuel policies.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Policy; Technology adoption; Mandates; Agricultural and Food Policy; Farm Management; Land Economics/Use.
Ano: 2010
URL: http://purl.umn.edu/61089

Economic Feasibility of a Woody Biomass- Based Ethanol Plant in Central Appalachia
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Wu,   Jinzhuo; Sperow,   Mark; Wang,   Jingxin.
A mixed-integer programming model is developed to assess the economic feasibility of siting a woody biomass-based ethanol facility in the central Appalachian hardwood region. The model maximizes the net present value (NPV) of a facility over its economic life. Model inputs include biomass availability, biomass handling system type, plant investment and capacity, transportation logistics, feedstock and product pricing, project financing, and taxes. Four alternative woody biomass handling systems, which include all processes from stand to plant, are considered. Eleven possible plant locations were identified based on site selection requirements. Results showed that the optimal plant location was in Buckhannon, West Virginia. The NPV of the plant with a...
Tipo: Journal Article
Palavras-chave: Biofuels; Economic analysis; Ethanol; Optimization; Woody biomass; Crop Production/Industries.
Ano: 2010
URL: http://purl.umn.edu/99118

Greenhouse Gas Impacts of Ethanol from Iowa Corn: Life Cycle Analysis versus System-wide Accounting
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Feng,   Hongli; Rubin,   Ofir D.; Babcock,   Bruce A.
Life cycle analysis (LCA) is the standard approach used to evaluate the greenhouse gas (GHG) benefits of biofuels. However, it is increasingly recognized that LCA results do not account for some impacts including land use changes that have important implications on GHGs. Thus, an alternative accounting system that goes beyond LCA is needed. In this paper, we contribute to the literature by laying out the basics of a system-wide accounting (SWA) method that takes into account all potential changes in GHGs resulting from biofuel expansion. We applied both LCA and SWA to assess the GHG impacts of ethanol based on Iowa corn. Growing corn in rotation with soybeans generated 35% less GHG emissions than growing corn after corn. Based on average corn production,...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Corn ethanol; Greenhouse gas; Life cycle analysis; System-wide accounting; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6503

Impact of Expanded United States Sugar Imports from CAFTA Countries on the Ethanol Market
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Yeboah,   Osei-Agyeman; Parker,   S. Janine.
The need to decrease the United States’ dependency on oil has pushed ethanol to the forefront of energy sources. In the U.S., corn is used to make ethanol. Corn-based ethanol production has been profitable over the past few years, but there has been a near doubling of corn prices in late 2006 and early 2007 (Outlaw, et. al., 2007). The trend is a constant rise in prices, which has given way to ethanol production by other sources of raw materials like sugarcane. Sugarcane ethanol is the most cost-efficient biofuel available anywhere in the world, and in the United States, the government supports sugar prices. Through the US sugar policy, sugar prices are controlled, and foreign imports are severely limited. Brazil is leading the way in sugarcane ethanol,...
Tipo: Conference Paper or Presentation
Palavras-chave: Ethanol; Sugarcane; Sugar; CAFTA-DR; Alternative Fuels; Biofuels; International Relations/Trade.
Ano: 2008
URL: http://purl.umn.edu/46027

PERSPECTIVAS DA AGROENERGIA NO BRASIL
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Vian,   Carlos Eduardo de Freitas; Belik,   Walter; Paulillo,   Luiz Fernando; Corder,   Leandro Menegon.
Este texto tem por objetivo fazer uma revisão do estágio atual da produção mundial de biocombustíveis, das políticas adotadas nos vários países e das perspectivas de inserção do Brasil neste processo como produtor e exportador de biocombustíveis, conciliando isto com o desenvolvimento econômico e social e com o respeito ao meio-ambiente. Os autores destacam a necessidade de conciliação das ações da iniciativa privada com a adoção de políticas publicas, visto que apenas o “mercado” ainda não é capaz de gerar os incentivos necessários para a conciliação entre a busca de negócios lucrativos e sustentabilidade econômica e social.  A metodologia de pesquisa usada foi de revisão bibliográfica e pesquisa de dados estatísticos em publicações especializadas,...
Tipo: Conference Paper or Presentation
Palavras-chave: Ambiente Institucional; Biocombustíveis; Políticas-públicas; Grupos de interesse; Desenvolvimento econômico e social; Institutional Environment; Biofuels; Public Policies; Organized groups; Economic and social development; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/112702

The Food versus Fuel Debate: Implications for Consumers
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Harrison,   R. Wes.
The effects of biofuel production on commodity prices and their transmission to retail food prices are discussed. Factors driving higher commodity prices are tight global supplies and increased demand of corn ethanol in the short term. Evidence suggests that higher corn prices contribute to food price inflation for some food items. These include eggs, poultry, pork, beef and milk. The findings imply that food price inflation for these items is related to increased production of corn ethanol, primarily because of high oil prices. Higher oil prices also increase fuel and energy costs, which increase marketing costs for all food categories.
Tipo: Journal Article
Palavras-chave: Biofuels; Food prices; Ethanol; Agribusiness; Agricultural and Food Policy; Consumer/Household Economics; Demand and Price Analysis; Food Security and Poverty; Public Economics; Resource /Energy Economics and Policy; Q420; Q130.
Ano: 2009
URL: http://purl.umn.edu/53094

Bioethanol production under endogenous crop prices: Theoretical analysis with an empirical application to barley
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Rinne,   J.; Lankoski,   Jussi E.; Ollikainen,   Markku.
The European Union’s Emission Trading Scheme (EUETS) and the current renewable resource program provide strong incentives to use agricultural crops either for combustion in power plants to produce electricity and heat or as a feedstock for transportation fuels. In this paper we examine the social desirability of ethanol production from agricultural crops. To endogenize the competition on land use, we employ a Ricardian model of heterogeneous land quality, where land is allocated to alternative crops on the basis of their relative profitability. The model comprises three land use types: bioenergy crop, conventional feed crop and green setaside. Industry demands crops for both ethanol and feed production. Effects on the GHG balance are explicitly taken into...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Agricultural land allocation; Heterogeneous land quality; Crop Production/Industries; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/44400

Ethanol and a Changing Agricultural Landscape
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Malcolm,   Scott A.; Aillery,   Marcel P.; Weinberg,   Marca.
The Energy Independence and Security Act (EISA) of 2007 established specific targets for the production of biofuel in the United States. Until advanced technologies become commercially viable, meeting these targets will increase demand for traditional agricultural commodities used to produce ethanol, resulting in land-use, production, and price changes throughout the farm sector. This report summarizes the estimated effects of meeting the EISA targets for 2015 on regional agricultural production and the environment. Meeting EISA targets for ethanol production is estimated to expand U.S. cropped acreage by nearly 5 million acres by 2015, an increase of 1.6 percent over what would otherwise be expected. Much of the growth comes from corn acreage, which...
Tipo: Report
Palavras-chave: Biofuels; Corn ethanol; Regional crop mix; Regional environmental effects; Water quality; Water use; Cellulosic ethanol; Crop residues; Livestock; Regional Environment and Agriculture Programming (REAP) Model; Renewable fuel standard; Environmental Economics and Policy; Research and Development/Tech Change/Emerging Technologies.
Ano: 2009
URL: http://purl.umn.edu/55671

Food Security and Biofuels Development: The Case of China
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Dong,   Fengxia.
Biofuels production is expanding rapidly all over the world, driven by rising crude oil prices, the desire of countries to be energy independent, and concerns about climate change. As developed countries, especially the United States, are expanding biofuels production, developing countries are expanding their biofuels industries as well, to power their growing economies. However, developing countries must address the food security issue when they develop biofuels. As China is a developing country with rapid economic growth, population growth, significant demand for fuels, and food security concerns, it serves as a good example for studying the opportunities and challenges faced by developing countries under current conditions. This study analyzes the...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Food security; China; Food Security and Poverty; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/7699

The Implications of Alternative Biofuel Policies on Carbon Leakage
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Drabik,   Dusan; de Gorter,   Harry; Just,   David R.
We show carbon leakage depends on the type of biofuel policy (tax credit versus mandate), the domestic and foreign gasoline supply and fuel demand elasticities, and on consumption and production shares of world oil markets for the country introducing the biofuel policy. The components of carbon leakage – market leakage and emissions savings – are counteracting: carbon leakage increases with market leakage but decreases with emissions savings. We also distinguish domestic and international leakage where the latter is always positive, but domestic leakage can be negative with a mandate. The IPCC definition of leakage omits domestic leakage, resulting in biased estimates. Leakage with a tax credit always exceeds that of a mandate, while the combination of a...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Tax credit; Mandate; Market leakage; Carbon leakage; Emissions savings; Domestic leakage; Resource /Energy Economics and Policy; Q27; Q41; Q42; Q54.
Ano: 2011
URL: http://purl.umn.edu/114432

Agriculture and Biofuels Issues: Cellulose, Greenhouse Gases, and EU and U.S. Policies
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Tyner,   Wallace E.
Tipo: Journal Article
Palavras-chave: Biofuels; Energy Policy; Biofuels Economics; Biofuels Policy; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/94660

Global Implications of U.S. Biofuels Policies in an Integrated Partial and General Equilibrium Framework
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Birur,   Dileep K.; Beach,   Robert H.; Hertel,   Thomas W.; McCarl,   Bruce A.
With the increasing research interests in biofuels, global implications of biofuels production have been generally examined either in a partial equilibrium (PE) or general equilibrium (GE) frameworks. Though both of these approaches have unique strengths, they also suffer from many limitations due to complexity of addressing all the relevant aspects of biofuels. In this paper we have exploited the strengths of both PE and GE approaches for analyzing the economic and environmental implications of the U.S. policies on corn-ethanol and biodiesel production. In this study, we utilize the Forest and Agricultural Sector Optimization Model (FASOMGHG: Adams et al. 1996, 2005; Beach et al. 2009), a non-linear programming, PE model for the United States. We also use...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Indirect land use change; Land use emissions; Partial Equilibrium; Computable General Equilibrium; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/61812

The Economy-wide Greenhouse Gas Impacts of the Biofuels Boom (or Bust)
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Birur,   Dileep K.; Golub,   Alla A.; Hertel,   Thomas W.; Rose,   Steven K.
Several studies in the recent past have offered a contrasting and wide range of perspectives on economic and environmental implications of biofuels.  In this study we develop a comprehensive and consistent framework for analyzing the global economic interactions and the direct and indirect impacts of biofuels production on greenhouse gas (GHG) emissions. We utilize a global Computable General Equilibrium (CGE) model which consists of interaction of energy commodities with explicit biofuels and their by-product sectors, land endowment classified by agro-ecological zones, and emission of four major GHGs - carbon dioxide, methane, nitrous oxide, fluorinated gases from agricultural and economic activities, including emissions associated with biofuel feedstock,...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Renewable Energy; Computable General Equilibrium (CGE); Agro Ecological Zones (AEZs); Land use change; Greenhouse Gas Emission.; Environmental Economics and Policy; International Relations/Trade; Land Economics/Use; Resource /Energy Economics and Policy; C68; Q18; Q42; R14.
Ano: 2009
URL: http://purl.umn.edu/49473

Choice of optimum feedstock portfolio for a cellulosic ethanol plant  – A dynamic linear programming solution
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Kumarappan,   Subbu; Ivanic,   Rasto.
When the lignocellulosic biofuels industry reaches maturity and many types of biomass sources become economically viable, management of multiple feedstock supplies – that vary in their yields, density (tons per unit area), harvest window, storage and seasonal costs, storage losses, transport distance to the production plant – will become increasingly important for the success of individual enterprises. The manager’s feedstock procurement problem is modeled as a multi-period sequence problem to account for dynamic management over time. The case is illustrated with a hypothetical 53 million annual US gallon cellulosic ethanol plant located in south west Kansas that requires approximately 700,000 metric dry tons of biomass. The problem is framed over 40...
Tipo: Conference Paper or Presentation
Palavras-chave: Cellulosic ethanol; Feedstock; Switchgrass; Miscanthus; Corn stover; Optimization; Biofuels; Biomass; Energy; Renewable; Agribusiness.
Ano: 2009
URL: http://purl.umn.edu/49407

Renewable energy - new forces in global ethanol trade?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Salamon,   Petra; Ledebur,   Oliver von; Elmahdi,   Kamal; Klepper,   Rainer.
The paper presents an extended gravity equation application for the global trade with ethanol. The background and different attempts for a theoretical foundation of the standard approach are discussed. The econometric work takes regional integration schemes into account, as well as the influence of the production factor agricultural land and the level of oil prices on the world market. Results indicate that global bilateral trade flows of ethanol can be explained by a set of comprehensive explanatory variables, including regional agreements and the price level of oil. From a global perspective the EU effect on trade flows is trade diverting as the regional agreement reduces the linkage to world markets and increases the intra-regional level of trade with...
Tipo: Conference Paper or Presentation
Palavras-chave: Gravity equation; Bilateral trade flows; Trade with renewable energy; Biofuels; And econometric estimation; Resource /Energy Economics and Policy.
Ano: 2006
URL: http://purl.umn.edu/10045

Breaking the Link between Food and Biofuels
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Babcock,   Bruce A.
Production of biofuels from feedstocks that are diverted from food production or that are grown on land that could grow crops has two important drawbacks: higher food prices and decreased reduction in greenhouse gas emissions. If U.S. policy were to change and place greater emphasis on food prices and greenhouse gas reductions, then we would transition away from current feedstocks toward those that do not reduce our ability to produce food. Examples of such feedstocks include crop residues, algae, municipal waste, jatropha grown on degraded land, and by-products of edible oil production. Policy options that would encourage use of these alternative feedstocks include placing a hard cap on ethanol and biodiesel production that comes from corn and refined...
Tipo: Report
Palavras-chave: Biofuels; Feedstocks; Food prices; Policy.
Ano: 2008
URL: http://purl.umn.edu/37752

Factors Contributing to Recent Increases in Food Commodity Prices (PowerPoint)
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Trostle,   Ronald.
Presentation to USDA Economists Group, Washington, DC, 10 June 2008
Tipo: Conference Paper or Presentation
Palavras-chave: Food prices; Commodities; Biofuels; Crop production; Food demand; Agribusiness; Agricultural and Food Policy; Crop Production/Industries; Demand and Price Analysis; Food Security and Poverty; Risk and Uncertainty.
Ano: 2008
URL: http://purl.umn.edu/43902

The French Biodiesel Production: An Assessment of the Impacts and Interaction Effects of Policy Instruments
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Doumax,   Virginie.
Replaced with revised  version of paper 07/18/10.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Blend mandate; Subsidy; Social costs; Agricultural and Food Policy; Resource /Energy Economics and Policy; H23; Q41; Q42; Q48.
Ano: 2010
URL: http://purl.umn.edu/61698

An Outlook for the Biofuels Industry in the Southern United States
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Crooks,   Anthony C.; Dunn,   John R.
Two seemingly unrelated topics are discussed- an outlook for biofuels in the southern United States, along with an overview of the important role that information technology is playing in the fuel ethanol industry.  The outlook discussion is limited to issues involving the two principal biofuels, fuel ethanol and biodiesel, and their respective feed stocks, corn and soybean oil.  The two topics are linked with a description of how information technology (IT) has enabled the development of the fuel ethanol franchise and a discussion of how IT is changing the very nature of biofuel operations.
Tipo: Journal Article
Palavras-chave: Biodiesel; Biofuels; Fuel ethanol; Fuel ethanol franchise; Information technology; IT; Resource /Energy Economics and Policy; O14; O31; Q12; Q13; Q16.
Ano: 2006
URL: http://purl.umn.edu/43771

UNICA: Challenges to Deliver Sustainability in the Brazilian Sugarcane Industry
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Chaddad,   Fabio Ribas.
Teaching Notes Available: ifamr@ifama.org Author video introduction: http://www.youtube.com/user/ifamr1#p/u/7/4kZDvS7v5NA
Tipo: Journal Article
Palavras-chave: Sustainability; Biofuels; Ethanol; Industry association; Teaching case; Agribusiness; Crop Production/Industries.
Ano: 2010
URL: http://purl.umn.edu/96332

Modeling Biofuels Expansion in a Changing Global Environment
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Peters,   May; Somwaru,   Agapi; Hansen,   James M.; Seeley,   Ralph; Dirkse,   Steve.
This paper examines the impact of declining energy prices on biofuels production and use and its implications to agricultural commodity markets. It uses PEATSim, a dynamic partial equilibrium, multi-commodity, multi-country global trade model of the agriculture sector to analyze the interaction between biofuel, crop and livestock sectors.  The ability of countries to achieve their energy goals will be affected by future direction of petroleum prices. A 50 percent decline in petroleum prices (absent of mandates) would result in rapid decline in biofuel use worldwide accompanied by a decline in feedstock and biofuel prices.  About a 21 percent decline in U.S. cost of ethanol production is needed to make ethanol competitive with gasoline and to offset the...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; PEATSim; Dynamic partial equilibrium model; Energy prices; Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/51732

Farmers’ Willingness to Grow Switchgrass as a Cellulosic Bioenergy Crop: A Stated Choice Approach
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Fewell,   Jason E.; Bergtold,   Jason S.; Williams,   Jeffery R.
Farmers’ Willingness to Grow Switchgrass as a Cellulosic Bioenergy Crop:  A Stated Choice Approach  Agriculture’s role as a source of feedstocks in a potential lignocellulosic-based biofuel industry is a critical economic issue. Several studies have assessed the technical feasibility of producing bioenergy crops on agricultural lands. However, few of these studies have assessed farmers’ willingness to produce or supply bioenergy crops or crop residues. Biomass markets for bioenergy crops do not exist, and developing these markets may take several years. Therefore, an important, yet unaddressed question is under what contractual or pricing arrangements farmers will grow biomass for bioenergy in these nascent markets.  The purpose of this paper is to examine...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Cellulosic; Biomass; Switchgrass; Farmers; Willingness to Pay; Crop Production/Industries; Production Economics; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/109776

On the (De)Stabilization Effects of Biofuels: Relative Contributions of Policy Instruments and Market Forces
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Gohin,   Alexandre; Treguer,   David.
Ethanol production has recently surged in response to biofuel policies and increased fossil oil prices. We develop a partial equilibrium model focused on U.S. corn-based ethanol production with downside risk-averse farmers to assess the consequences of ethanol production on agricultural volatility. We report substantial effects on the distribution of corn prices with increases in the variance of prices received by farmers. Risk-averse corn farmers still benefit due to the higher mean price effect. From a methodological perspective, this analysis reveals that downside risk aversion may be important.
Tipo: Journal Article
Palavras-chave: Biofuels; Policy; Risk; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/61061

The Emergence of an Agro-Energy Sector: Is Agriculture Importing Instability from the Oil Sector?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Muhammad,   Andrew; Kebede,   Ellene.
Tipo: Journal Article
Palavras-chave: Corn; Oil; Ethanol; Biofuels; Prices; Agribusiness; Q11; Q42; Q48.
Ano: 2008
URL: http://purl.umn.edu/94695

Economic Feasibility of a Mobile Fast Pyrolysis System for Sustainable Bio-crude Oil Production
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Palma,   Marco A.; Richardson,   James W.; Roberson,   Brad E.; Ribera,   Luis A.; Outlaw,   Joe L.; Munster,   Clyde.
The Official journal of IFAMA. www.ifama.org
Tipo: Journal Article
Palavras-chave: Biofuels; Pyrolysis; Economic analysis; Agribusiness; Demand and Price Analysis; Production Economics; Resource /Energy Economics and Policy; Q010; Q240; Q160.
Ano: 2011
URL: http://purl.umn.edu/114636

Economics and agricultural market impacts of growing biofuel production
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: von Lampe,   Martin.
This paper analyses the economics of biofuel production and the implications that the accelerating growth in biofuel production in many countries could have on agricultural markets. It shows that production costs of ethanol and biodiesel differ significantly across countries and feedstock crops. These costs often exceed those of fossil fuels. In consequence, the economics of biofuel production depends on public support in most countries. Similarly, land requirements for crops required to enable significant shares of biofuel production in transport fuel consumption are shown to be substantial in many countries given current technologies. An expected growth in biofuel production is, therefore, likely to have a significant increasing impact on world prices...
Tipo: Journal Article
Palavras-chave: Biofuels; Production costs; Resource requirements; Agricultural market impacts; Biofuel policies; Demand and Price Analysis; International Relations/Trade; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/96747

Biofuels: review of policies and impacts
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Janda,   Karel; Kristoufek,   Ladislav; Zilberman,   David.
This paper provides an overview of the environmental, economical, and policy  considerations related to biofuels. While the biofuel production and consumption  exhibited significant increase over the first decade of the new millennium,  this and further increases in biofuel production are driven primarily by  government policies. Currently available first generation biofuels are with a  few exceptions not economically viable in the absence of fiscal incentives or  high oil prices. Also the environmental impacts of biofuels as an alternative  to fossil fuels are quite ambiguous. The review of the most recent economic  models dealing with biofuels and their economic impacts provides a distinction  between structural and reduced form models. The review of...
Tipo: Working Paper
Palavras-chave: Biofuels; Ethanol; Biodiesel; Political Economy; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2012
URL: http://purl.umn.edu/120415

The Impact of Feedstock Supply and Petroleum Price Variability on Domestic Biofuel and Feedstock Markets – The Case of the United States
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Yano,   Yuki; Blandford,   David; Surry,   Yves R.
The promotion of biofuel use in preference to traditional petroleum-based transportation fuel has linked agricultural commodity markets and energy markets more closely together. Biofuel policies can involve multiple policy instruments, but studies examining their effects on biofuel feedstock and energy markets are scarce. In addition, the impact of alternative policy approaches in the context of variability in petroleum prices and the supply of biofuel feedstock has received limited attention. Focusing on the current situation in the United States, in which prohibitively high duties prevent imports of ethanol, this paper examines how variability in the price of petroleum and corn supply affects domestic market variability under three types of domestic...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Subsidies; Mandates; Variability; Agricultural and Food Policy; International Relations/Trade; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/58486

O PAPEL DA PRODUÇÃO DE BIOCOMBUSTÍVEIS PARA O DESENVOLVIMENTO LOCAL: UMA ANÁLISE NO ARRANJO FUMAGEIRO GAÚCHO
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Wegner,   Douglas; Santos,   Manoela Silveira Dos; Padula,   Antonio Domingos.
O presente artigo explora o papel da produção de biocombustíveis para o desenvolvimento local endógeno. A análise foi realizada na Região do Vale do Rio Pardo (RS), tradicional produtora de tabaco que concentra as principais multinacionais do setor e possui alta dependência em relação ao produto. O recrudescimento das campanhas antitabagistas e a criação de legislações mais rigorosas serviram de alerta à região para os riscos da dependência em relação à cadeia produtiva do tabaco. Atualmente, são desenvolvidos localmente dois projetos baseados na produção de biocombustíveis que buscam o desenvolvimento local sustentável, aproveitando as potencialidades da região. A metodologia de pesquisa utilizada caracteriza-se como uma abordagem qualitativa, e a coleta...
Tipo: Conference Paper or Presentation
Palavras-chave: Desenvolvimento local; Sustentabilidade; Biocombustíveis; Agricultura familiar; Local development; Sustainability; Biofuels; Family farmers; Tobacco; Community/Rural/Urban Development.
Ano: 2008
URL: http://purl.umn.edu/109662

The Growth and Direction of the Biodiesel Industry in the United States
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Paulson,   Nicholas D.; Ginder,   Roger G.
The biodiesel industry in the United States has realized significant growth over the past decade through large increases in annual production and production capacity and a transition from smaller batch plants to larger-scale continuous producers. The larger, continuous-flow plants provide operating cost advantages over the smaller batch plants through their ability to capture co-products and reuse certain components in the production process. This paper uses a simple capital budgeting model developed by the authors along with production data supplied by industry sources to estimate production costs, return-on-investment levels, and break-even conditions for two common plant sizes (30 and 60 million gallon annual capacities) over a range of biodiesel and...
Tipo: Working or Discussion Paper
Palavras-chave: Biodiesel; Biofuels; Feedstock; Production costs; Return on investment; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/10006

Implications of the Biofuels Boom for the Global Livestock Industry: A Computable General Equilibrium Analysis
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Taheripour,   Farzad; Hertel,   Thomas W.; Tyner,   Wallace E.
In this paper, we offer a general equilibrium analysis of the impacts of US and EU biofuel mandates for the global livestock sector. Our simulation boosts biofuel production in the US and EU from 2006 levels to mandated 2015 levels. We show that mandates will encourage crop production in both biofuel and non biofuel producing regions, while reducing livestock and livestock production in most regions of the world. The non-ruminant industry curtails its production more than other livestock industries. The numerical results suggest that the biofuel mandates reduce food production in most regions while they increase crude vegetable oils in almost all regions. Implementing biofuel mandates in the US and EU will increase croplands within the biofuel and...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Livestock; Feed Ration; Biofuel Co-Product; Land Use; Livestock Production/Industries.
Ano: 2009
URL: http://purl.umn.edu/49330

The Effect of Climate Change on Land Use and Wetlands Conservation in Western Canada: An Application of Positive Mathematical Programming
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Withey,   Patrick; van Kooten,   G. Cornelis.
This study examines the impact of climate change on land use in the Prairie Pothole Region of Western Canada, with particular emphasis on how climate change will impact wetlands. A multi-region Positive Mathematical Programming model calibrates land use in the area to observed acreage in 2006. Policy simulations for both climate effects as well as the effects of biofuel policies determine how climate change will affect land use and wetlands. Given that the model calibrates to observed acreage, the policies provide a realistic view of how land use might change from current levels, given the effects of climate change. Results indicate that climate change could decrease wetlands in this area by as much as 50 percent. The effect will be very different...
Tipo: Working or Discussion Paper
Palavras-chave: Positive mathematical programming; Wetlands conservation; Land use change; Climate change; Biofuels; Prairie pothole region; Environmental Economics and Policy; C02; C63; Q15; Q54; Q57; Q24; Q25.
Ano: 2011
URL: http://purl.umn.edu/107095

Stoffstromanalyse des deutschen Biokraftstoffsektors für das Jahr 2007
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Strohm,   Kathrin.
Dieser Arbeitsbericht analysiert die Stoffströme des deutschen Biokraftstoffsektors für das Jahr 2007. Zahlreiche Statistiken wurden ausgewertet, um prozentuale Aussagen treffen zu können wie viel Rohstoffe in die Biokraftstoffproduktion und weitere energetische Verwendungen floss im Vergleich zu den Bereichen Ernährung und Futter. Außerdem wird aufgezeigt welche Nebenprodukte entstehen und falls möglich deren Mengen quantifiziert. Mittels Handelsstatistiken wurden die importierten Rohstoffmengen ermittelt. Wegen Lücken in der Datenverfügbarkeit wurden die gehandelten Biokraftstoffmengen nur als netto Importe (Verbrauch minus inländische Produktion) aufgezeigt, was zu Abweichungen im Hinblick auf die tatsächlich importierten und exportierten...
Tipo: Report
Palavras-chave: Biokraftstoff; Biodiesel; Bioethanol; Rohstoffe; Verbrauch; Deutschland; 2007; Biofuels; Biodiesel; Bioethanol; Raw materials; Consumption; Germany; Agribusiness; Crop Production/Industries; Resource /Energy Economics and Policy; Q16.
Ano: 2010
URL: http://purl.umn.edu/102646

A Global Model for Agriculture and Bioenergy: Application to Biofuel and Food Security in Peru and Tanzania
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Elbehri,   Aziz; McDougall,   Robert; Horridge,   Mark.
This paper describes a global model for agriculture and bioenergy (GLOMAB) that incorporates biomass, biofuels and bioelectricity sectors into the GTAP-Energy model by expanding the global GTAP database, production and consumption structures. Biofuels are separated between first- generation (sugar ethanol, starch ethanol) and second- generation (cellulosic ethanol) biofuels and associated biomass feedstocks (maize, sugar cane, crop residues, woody biomass). Beside biofuels, the model also incorporates bioelectricity (as separate form conventional electricity) which competes for the same biomass feedstocks with cellulosic ethanol sector (agricultural residues, woody biomass). With this broad-based representation of the bioenergy system likely to prevail...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Renewable Energy; Biomass; Agricultural Markets; Computable General Equilibrium (CGE); Food Security and Poverty; Resource /Energy Economics and Policy; C68; Q18; Q42; R14.
Ano: 2009
URL: http://purl.umn.edu/51914

BIOFUELS, AGRICULTURE AND CLIMATE CHANGE
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Hubert,   Marie-Helene; Chakravorty,   Ujjayant; van Kooten,   G. Cornelis.
In the context of ever-increasing petroleum prices combined with concerns about climate change, timing of adoption and rate of diffusion of land-based fuels and backstop technologies for transportation use are examined in this paper. A global model of land allocation joined with a Hotelling model has been developed. Using this framework, effects of climate and energy policies on world agricultural and energy markets have been explored. Further, their regional impacts are also analyzed. Whereas mandatory blending bio-fuels have substantial effects on world food prices and do not succeed in curbing down carbon emissions fluxes, carbon targets are expected to speed up date of adoption of backstop technologies. Then, sensitivity scenarios with regards to...
Tipo: Conference Paper or Presentation
Palavras-chave: Ricardian rents; Land use; Biofuels; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/44259

INCORPORATING BIOFUELS INTO A PARTIAL EQUILIBRIUM MODEL OF THE EU AGRICULTURAL SECTOR
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Binfield,   Julian C.R.; Westhoff,   Patrick C.; Le Cadre,   Elodie.
The impact of increased consumption of biofuels on agricultural markets has already been substantial, and will increase further as countries around the world seek to expand the proportion of their energy that they get from renewable sources. Models of the agricultural sector must therefore include some consideration of the demand for agricultural products for biofuels and the byproducts that are produced as part of the production process that are returned to the agricultural sector. In this paper the method of introducing biofuels into the FAPRI GOLD (grains, oilseeds, livestock and dairy) model is discussed. A scenario is run whereby the EU is assumed to introduce a binding 10% target by 2020 and the results are discussed in order to illustrate the...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Partial equilibrium model; Agricultural sector; EU policy; Agricultural and Food Policy; Crop Production/Industries; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6680

Capturing Uncertainties in Evaluation of Biofuels Feedstocks: A Multi-Criteria Approach for the US
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Ziolkowska,   Jadwiga; Simon,   Leo K.; Zilberman,   David.
Current research evaluating biofuels policies focuses primarily on market-economic criteria. While it is widely acknowledged that both the economic and environmental, and social aspects of biofuels policy must all be balanced with each other in the process of developing a viable biofuels policy, little progress has been made to date on evaluating these uncertain non-market relationships. In this paper, we develop a fuzzy theory holistic approach evaluating the 1st, 2nd, and 3rd generation biofuels feedstocks in meeting multiple economic, environmental and social criteria of the biofuels policies and capturing the uncertainties of evaluation processes. We use a multi-criteria approach PROMETHEE (Preference Ranking Organization Method for Enrichment...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Uncertainties; Multi-criteria decision support; PROMETHE; Fuzzy set theory; Decision making; Policy evaluation; Resource /Energy Economics and Policy; Risk and Uncertainty.
Ano: 2011
URL: http://purl.umn.edu/115980

Potentials and limits to generate employment and income by the National Programme for Production and Use of Biodiesel
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Ferreira,   Vicente da Rocha Soares; Passador,   Claudia Souza.
This study analyses the National Programme for Production and Use of Biodiesel launched by the Brazil Federal Government in 2005 as a public policy to generate sustainable employment and income within the context of development of new alternative sources of energy. It also verifies the impact of PNPB on occupation and income rate of farmers participating in the projects of production of biodiesel through field research carried out on 93 family farms participating in projects already implemented in the State of Goiás. The choice of producers was made at random from a list of all producers who had already gone through a complete cycle of production and stretched across 33 municipalities in the second half of 2007. The survey data was obtained through a...
Tipo: Journal Article
Palavras-chave: Biofuels; Biodiesel; Family farm; Public policy; Agribusiness; Agricultural Finance; Industrial Organization.
Ano: 2010
URL: http://purl.umn.edu/93577

Carving Out Policy Space for Sustainability in Biofuel Production
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Marshall,   Elizabeth P.
Biofuels such as ethanol and biodiesel are increasingly promoted as green alternatives to petroleum-derived transport fuels. Scaling up feedstock production to produce enough biofuel to displace a significant portion of current petroleum demand will put pressure on land and water resources both domestically and internationally, however, and could potentially be accompanied by unacceptable changes in landscape-level land use patterns and provisioning of ecosystem services. Ensuring that feedstock production is sustainable and that biofuels provide the social and environmental benefits that are often attributed to them will require a carefully designed portfolio of agricultural, forestry, energy, and trade policies related to biofuels and feedstock...
Tipo: Journal Article
Palavras-chave: Biofuels; Sustainability; Land use; Greenhouse gas accounting; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/44696

The Production of Biofuels: Welfare and Environmental Consequences for Asia
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Tisdell,   Clement A.
The production of biofuels has been supported by many conservationists and environmentalists on the grounds that it reduces greenhouse gas emissions and is a renewable energy substitute for non-renewable fossil fuels, mainly oil. More recently the domestic production of biofuels (and the domestic supply of other forms of alternative energy) have been welcomed by several nations as ways to reduce their oil imports and increase their energy self-sufficiency, as for example, has happened in the United States. India also which is very dependent on oil imports has also begun to produce biofuels in Kerala and elsewhere. However, doubts have been raised about the effectiveness of biofuel use as a means to reduce the accumulation of greenhouse gases and elementary...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Conservation; Agricultural and Food Policy; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use.
Ano: 2009
URL: http://purl.umn.edu/55340

Incentives Matter: Assessing Biofuel Policies in the South
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Miller,   J. Corey; Coble,   Keith H.
As a result of the increase in the real cost of fossil fuel-based energy in recent years, federal and state governments have taken a more active role in energy policy by creating incentives to develop alternative sources of energy, including biofuels. However, policymakers often become focused on the specific type of energy and not the energy services consumers ultimately value. The lack of recognition of energy as a commodity results in policies that ignore the characteristics of the associated markets: easy entry and exit, no barriers to entry, and sensitivity to changes in supply and demand. Consequently, energy industries may fail to arise because entrepreneurs must be able to account for all costs and earn—at a minimum—a competitive return on the...
Tipo: Journal Article
Palavras-chave: Alternative energy; Biofuels; Energy policy; Resource /Energy Economics and Policy; Q41; Q42; Q48.
Ano: 2011
URL: http://purl.umn.edu/113534

Indirect Land Use Change: a second best solution to a first class problem
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Zilberman,   David; Hochman,   Gal; Rajagopal,   Deepak.
Concern about the possible affects of biofuels on deforestation have led to assigning biofuel producers with the responsibility for greenhouse gas (GHG) emissions of the indirect land use changes (ILUC) associated with their activities when assessing their compliance with biofuel policies. We show that the computation of the ILUC is shrouded with uncertainty; they vary frequently, and are strongly affected by policy choices. It seems that its overall impact on GHGs is relatively minor. Once the ILUCs are introduced other indirect effects of biofuel may need to be considered which will increase the cost of biofuel regulations. Concentrating on direct regulation of biofuel and on efforts to reduce deforestation, wherever it occurs, may be more effective than...
Tipo: Working or Discussion Paper
Palavras-chave: Land use; Biofuels; Greenhouse gas emissions; Regulations; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/95578

Should We Invest in Biofuels?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Wetzstein,   Michael E.
The real advantage of receiving a Southern Agricultural Economics Association Lifetime Achievement award is the ability to make this presentation and have it published without having to deal with editors and referees. This provides a certain license of freedom to abstract outside the box without being constrained by your peers. So in this vein, consider the following myths and predictions concerning biofuels. These myths are generally consistent with the Grunwald’s (2009) seven myths about alternative energy.
Tipo: Journal Article
Palavras-chave: Alternative energy; Biofuels; Agribusiness; Community/Rural/Urban Development; Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/92610

FORCES RESHAPING WORLD AGRICULTURE
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mattson,   Jeremy W.; Koo,   Won W.
This paper examines many of the forces reshaping world agriculture.  Among these forces are increased trade liberalization, agricultural research and development, and new movements in developing countries.  Worldwide agricultural production is likely to become more competitive as a result of increased trade liberalization through the World Trade Organization and regional and bilateral free trade agreements.  Countries can become more competitive through agricultural research and development.  As a result of research and development, total agricultural production has increased significantly across the world over the last several decades.  Agricultural research has also led to the development of many new, non-food uses for agricultural products.  New...
Tipo: Working or Discussion Paper
Palavras-chave: Globalization; Research and development; Productivity; Biofuels; Brazil; Food demand; International Relations/Trade.
Ano: 2006
URL: http://purl.umn.edu/23616

Biomass for energy production in the context of selected European and international policy objectives
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Becker,   Arno.
Biomass based energy production has attained a significant market share within the developing renewable energy market. In comparison to alternative renewable energy sources, biomass has several special features: it is not inexhaustible in the short term (limitation of arable land) and it is not only an energy source. Other usages like food or feed compete with energy production for this resource. A number of problems arise which have a direct impact on the fulfillment of policy objectives which are connected with its promotion. Primarily, the production of bioenergy has significant impacts on coupled biomass markets. Further, a change in production intensity or arable land use increases the use of nutrient loads and agro - chemicals. When evaluating...
Tipo: Conference Paper or Presentation
Palavras-chave: Bioenergy; Biofuels; Biomass production; Impact analysis.; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/43974

Measuring Competition between Non-Food and Food Demand on World Grain Markets : Is Biofuel Production Compatible with Pressure for Food Production ?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Benjamin,   Catherine; Houee-Bigot,   Magalie.
The flow of agricultural products between countries is conditioned by several factors including domestic and trade policy tools for the main competing exporters countries, and macroeconomic variables (such as real income per capita, rate of population growth,etc). Important structural changes are occurring on world agricultural markets that will have an impact on the long term competitiveness of countries and regions. These changes include developments in biofuels production linked to policy incentives, and the rapid growth in income and population numbers in some developing countries (such as India and China). An important issue is to identify the factors that are going to modify the balance between the supply and demand for agricultural products in the...
Tipo: Conference Paper or Presentation
Palavras-chave: Modeling; Econometric; Partial equilibrium; Land uses; Biofuels; Demand and Price Analysis; International Relations/Trade.
Ano: 2007
URL: http://purl.umn.edu/9854

Effect of Agricultural Activity on River Water Quality: A Case Study for the Lower Colorado River Basin
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Adusumilli,   Naveen C.; Lacewell,   Ronald D.; Rister,   M. Edward; Woodard,   Joshua D.; Sturdivant,   Allen W.
This case study investigates the effect of a change in cropping pattern involving expanded acres of crops for biofuel feedstock, on the discharge of nutrients to rivers.  Annual data from 1968-2008 on stream flow, cropped acres, and precipitation for Wharton County, Texas are used.  A positive impact of increased corn acreage over this period on river discharge is identified.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Stream Flow; Discharge; Production Economics; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/98805

Implications of Growing Biofuel Demands on Northeast Livestock Feed Costs
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Schmit,   Todd M.; Verteramo,   Leslie J.; Tomek,   William G.
The relationship between complete-feed prices and ingredient prices is estimated in order to analyze the effect of higher commodity prices on feed costs, with particular attention paid to the substitutability of corn distillers dried grains with solubles (DDGS). Using the historical price correlation between corn and DDGS, each $1 per ton increase in the price of corn increases feed costs between $0.45 and $0.59 per ton across livestock sectors. Marginal feed costs based on lower forecasted price correlations are reduced between $0.05 to $0.12 per ton across livestock sectors, but only for the dairy ration is the reduction statistically significant. Overall, DDGS cost savings are relatively limited and insufficient to offset the impact of other...
Tipo: Journal Article
Palavras-chave: Biofuels; Commodity prices; Distillers dried grains with solubles; Livestock feed costs; Agribusiness; Farm Management; Livestock Production/Industries; Production Economics.
Ano: 2009
URL: http://purl.umn.edu/55540

Long-Term and Global Tradeoffs between Bio-Energy, Feed, and Food
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Tokgoz,   Simla; Elobeid,   Amani E.; Fabiosa,   Jacinto F.; Hayes,   Dermot J.; Babcock,   Bruce A.; Yu,   Tun-Hsiang (Edward); Dong,   Fengxia; Hart,   Chad E.; Beghin,   John C.
Projections of U.S. ethanol production and its impacts on planted acreage, crop prices, livestock production and prices, trade, and retail food costs are presented under the assumption that current tax credits and trade policies are maintained. The projections were made using a multi-product, multi-country deterministic partial equilibrium model. The impacts of higher oil prices, a drought combined with an ethanol mandate, and removal of land from the Conservation Reserve Program (CRP) relative to baseline projections are also presented. The results indicate that expanded U.S. ethanol production will cause long-run crop prices to increase. In response to higher feed costs, livestock farmgate prices will increase enough to cover the feed cost increases....
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Corn acreage; Crop prices; Ethanol production; Food prices; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/9811

CELLULOSIC BIOFUELS ANALYSIS: ECONOMIC ANALYSIS OF ALTERNATIVE TECHNOLOGIES
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Rismiller,   Craig W.; Tyner,   Wallace E.
The passage of U.S. laws mandating and subsidizing advanced cellulosic biofuels may spur the development of a commercial cellulosic biofuels industry.  However, a cellulosic industry will only develop if the overall economics including government incentives render investment in the sector attractive to private investors.     This study compares the profitability of three biofuel production types: grain based ethanol, cellulosic biochemical ethanol, and cellulosic thermochemical biofuels.  In order to compare the current profitability of each of the production types, the Biofuels Comparison Model (BCM) was developed.  The BCM is a spreadsheet model that estimates the net present value (NPV) for each production type given input and output prices, technical,...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Cellulosic biofuels; Corn ethanol; Biofuel economics; Resource /Energy Economics and Policy; Z42.
Ano: 2009
URL: http://purl.umn.edu/53583

UK parliamentary inquiry into global food crisis: call for evidence: How to better manage water so that 9 billion people can be fed equitably, healthily, safely and sustainably by 2050
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Chartres,   Colin J.
Invited submission from the International Water Management Institute (IWMI) to the United Kingdom Parliament on 2 June 2009.
Tipo: Report
Palavras-chave: Research institutes; Agricultural research; Policy; Water resource management; Irrigated farming; Rainfed farming; Farming systems; Food security; Water productivity; Water scarcity; Population growth; Water reuse; Food production; Water use; Biofuels; Urbanization; Climate change; Agricultural and Food Policy; Agricultural Finance; Community/Rural/Urban Development; Consumer/Household Economics; Crop Production/Industries; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; Political Economy; Production Economics; Research and Development/Tech Change/Emerging Technologies; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/91800

World Market Impacts of High Biofuel Use in the European Union
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Carriquiry,   Miguel A.; Dong,   Fengxia; Du,   Xiaodong; Elobeid,   Amani E.; Fabiosa,   Jacinto F.; Chavez,   Eddie C.; Pan,   Suwen.
This study examines the world market impact of an expansion in the biofuel sector in the European Union with particular focus on indirect land-use impacts. In the first scenario, an increase of 1 million tonnes oil equivalent (Mtoe) of wheat ethanol use in the European Union expands world land area used in agricultural commodity production by 366,000 hectares, representing an increase of 0.039% in total area. In the second scenario, an increase of 1 Mtoe of rapeseed oil biodiesel use in the European Union expands world land area by 352,000 hectares, representing an increase of 0.038% in total area.  With additional land use somewhat close between the two scenarios, the main difference is the spatial distribution of the sources of additional supply. Because...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Land use; Partial equilibrium model; Rapeseed oil biodiesel scenario; Wheat ethanol scenario.; Agricultural and Food Policy; Demand and Price Analysis; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/91923

Biofuels Potential in Latin America and the Caribbean: Quantitative Considerations and Policy Implications for the Agricultural Sector
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Ludena,   Carlos E.; Razo,   Carlos; Saucedo,   Alberto.
Rising oil prices has led to increased interest to replace domestic demand for liquid fuels for transport (petrol and diesel) with biofuel production (ethanol and biodiesel). One of the pioneers in biofuel production is Brazil, which since the 1970s has established a government program that promotes the production and consumption of ethanol. Currently, Brazil is the leading producer of ethanol in the world and has started also programs for biodiesel production based on soybeans, oil palm and other crops. Other countries in Latin America and the Caribbean have also expressed interest in biofuel production, and have started programs, and in some cases the legislation that promotes biofuel production. However, most of the analysis of biofuel crops has been...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Land availability; Price effect; Agricultural structure; Latin America; Caribbean; Resource /Energy Economics and Policy; Q42; Q48; Q11; Q15.
Ano: 2007
URL: http://purl.umn.edu/9986

Crop-Based Biofuel Production under Acreage Constraints and Uncertainty
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Baker,   Mindy L.; Hayes,   Dermot J.; Babcock,   Bruce A.
A myriad of policy issues and questions revolve around understanding the bioeconomy. To gain insight, we develop a stochastic and dynamic general equilibrium model and capture the uncertain nature of key variables such as crude oil prices and commodity yields. We also incorporate acreage limitations on key feedstocks such as corn, soybeans, and switchgrass. We make standard assumptions that investors are rational and engage in biofuel production only if returns exceed what they can expect to earn from alternative investments. The Energy Independence and Security Act of 2007 mandates the use of 36 billion gallons of biofuels by 2022, with significant requirements for cellulosic biofuel and biodiesel production. We calculate the level of tax credits required...
Tipo: Working or Discussion Paper
Palavras-chave: Biodiesel; Biofuels; Cellulosic; Dynamic; Ethanol; General equilibrium; Monte Carlo; Market; Crop Production/Industries; Political Economy; Resource /Energy Economics and Policy; Risk and Uncertainty.
Ano: 2008
URL: http://purl.umn.edu/6314

International Interlinkages of Biofuel Prices: The Role of Biofuel Policies
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Rajcaniova,   Miroslava; Drabik,   Dusan; Ciaian,   Pavel.
Based on their theoretical predictions, Kliauga, de Gorter, and Just (2008) and de Gorter, Drabik, and Just (2010) argue that the United States and the European Union establish the world ethanol and biodiesel prices, respectively. We test these theories using cointegration analysis and the Vector Error Correction (VEC) model. Weekly price series are analyzed for the major global biofuel producers (European Union, United States, and Brazil) for the period 2002 – 2010. Polices in the United States and Brazil appear to play an equal role in determining ethanol prices in other countries, thus only partially confirming the theoretical predictions. For biodiesel, our results demonstrate that the EU mandate impacts the world biodiesel price and thus they confirm...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Biofuel polices; Price leadership; VEC; International Relations/Trade; Resource /Energy Economics and Policy; C32; Q16; Q17; Q47.
Ano: 2011
URL: http://purl.umn.edu/114786

Impact of EU Biofuel Policies on World Agricultural and Food Markets
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Banse,   Martin; van Meijl,   Hans; Tabeau,   Andrzej A.; Woltjer,   Geert B.
This paper assesses the global and sectoral implications of the EU biofuels directive in a multi-region computable general equilibrium framework. Our results show that without mandatory blending or subsidies to stimulate the use of biofuel crops in the petroleum sector the targets of the EU Biofuel directive will not the reached in 2010. With mandatory blending the enhanced demand for biofuel crops has a strong impact on agriculture at the global and European level. The additional demand from the energy sector might slow down or reverse the long term process of declining agricultural prices.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; EU biofuel directive; Agricultural markets; Computable General Equilibrium modeling; Agribusiness; International Relations/Trade; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6476

The Economics Of Growing And Delivering Cellulosic Feedstocks In The Beaumont, Texas Area
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Fumasi,   Roland J.; Richardson,   James W.; Outlaw,   Joe L.
We estimate the contract prices that must be paid to grow cellulosic energy crops, and the costs of harvesting and transporting those crops in the Beaumont, TX area. Results indicate that the delivered price would range between $54 and $101 per ton of dry matter depending on the specific crop.
Tipo: Conference Paper or Presentation
Palavras-chave: Renewable fuels; Biofuels; Alternative fuels; Cellulosic; Biomass; Feedstock; Monte Carlo simulation; Resource /Energy Economics and Policy; Q12; Q42.
Ano: 2008
URL: http://purl.umn.edu/6788

Buying Ecological Services: Nature’s Harmonies, Fragmented Reserves and the Agricultural Extensification Debate
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Hennessy,   David A.; Lapan,   Harvey E.
Growing demand for cropland products has placed intense pressure on the ability of land resources to support nature, straining public budgets to purchase environmental goods. Fixing overall agricultural output, two policy options are whether to promote more extensive and nature friendly farming practices or to produce intensively on some land and leave the rest wild. Microeconomic models of the topic have not accommodated widely recognized complementary spatial externalities in providing ecological services. This article does so, identifying also a third policy possibility. This is that environmental services can follow a smoothly varying spatial path characterized by harmonic functions.
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Environmental policy; Spatial externalities; Wirtinger’s inequality.; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/45171

Global Biofuel Expansion and the Demand for Brazilian Land: Intensification versus Expansion
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Elobeid,   Amani E.; Carriquiry,   Miguel A.; Fabiosa,   Jacinto F.
We use a spatially disaggregated model of Brazilian agriculture to assess the implications of global biofuel expansion on Brazilian land usage at the regional level. This Brazilian model is part of the FAPRI agricultural modeling system, a multimarket, multi-commodity international agricultural model, used to quantify the emergence of biofuels and to analyze the impact of biofuel expansion and policies on both Brazilian and world agriculture. We evaluate two scenarios in which we introduce a 25% exogenous increase in the global demand for ethanol and one scenario in which we increase global ethanol demand by 50%. We then analyze the impact of these increases in terms of land-use change and commodity price changes particularly in Brazil. In the first...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Brazil; Land use; Land Economics/Use.
Ano: 2011
URL: http://purl.umn.edu/103798

Local Ownership in Biofuels Production: A Strategy for Rural Development?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Hueth,   Brent; Walker,   William D.
Tipo: Journal Article
Palavras-chave: Biofuels; Local ownership; Rural development; Risk; Investment; Community/Rural/Urban Development.
Ano: 2008
URL: http://purl.umn.edu/94690

A Comparative Analysis of the Development of the United States and European Union Biodiesel Industries
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Carriquiry,   Miguel A.
Worldwide production of biodiesel is growing at a rapid pace. Arguably, the European Union (EU) is the global leader in biodiesel production, but the United States has recently expanded its production. The growth of the biodiesel industry in both regions has been fueled by a series of government-provided financial incentives. However, the timing of the growth and incentive provisions, the nature of the main incentives, and the market conditions differ across regions. This article provides a comparative analysis of the EU and U.S. biodiesel industries, highlighting market and policy aspects that are leading to a rapid but distinct growth.
Tipo: Working or Discussion Paper
Palavras-chave: Biodiesel; Biodiesel industry; Biodiesel quality; Biofuels; Energy security; Rapeseed oil; Rapeseed methyl ester; Soybean oil; Soydiesel; Ultra low sulfur diesel; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/9081

Implied Objectives of U.S. Biofuel Subsidies
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Rubin,   Ofir D.; Carriquiry,   Miguel A.; Hayes,   Dermot J.
Biofuel subsidies in the United States have been justified on the following grounds: energy independence, a reduction in greenhouse gas emissions, improvements in rural development related to biofuel plants, and farm income support. The 2007 energy act emphasizes the first two objectives. In this study, we quantify the costs and benefits that different biofuels provide. We consider the first two objectives separately and show that each can be achieved with a lower social cost than that of the current policy. Then, we show that there is no evidence to disprove that the primary objective of biofuel policy is to support farm income. Current policy favors corn production and the construction of corn-based ethanol plants. We find that favoring corn happens to...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Biofuel subsidies; Energy security; Feedstock; Greenhouse gas emissions; Social preferences; Value-added agriculture; Agricultural Finance; Political Economy; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6333

WHY STOCHASTICS MATTER: ANALYZING FARM AND BIOFUEL POLICIES
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Westhoff,   Patrick C.; Brown,   Scott; Binfield,   Julian C.R.
Standard deterministic analysis of agricultural and biofuel policies can yield incomplete or misleading results. Stochastic analysis is especially important when policies have asymmetric effects and when there is intrinsic interest in uncommon events or the distribution of possible outcomes.  The paper examines four recent cases where a stochastic approach was critical to a complete and balanced examination of important US policy issues. In each case, a stochastic model of the US agricultural and biofuel sectors was used to estimate 500 sets of possible market outcomes for the 2007- 2016 period.  Changes in support levels, a proposed revenue-based program, possible World Trade Organization limits on internal support measures, and biofuel use mandates are...
Tipo: Conference Paper or Presentation
Palavras-chave: Agricultural policy; Biofuels; Stochastic analysis; Structural model; Agricultural and Food Policy; Research and Development/Tech Change/Emerging Technologies; Research Methods/ Statistical Methods.
Ano: 2008
URL: http://purl.umn.edu/6601

Biofuels: Political/Economic Boondoggle or Energy Salvation for Western States?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Young,   Douglas L.
Nearly all western states lack comparative advantages for producing corn for ethanol and oilseeds for biodiesel. Despite this disadvantage, most western states have legislated incentives for production of biofuels. Unfavorable changes in price relationships, high transportation costs for imported feedstocks, and tight credit markets in 2008 and 2009 led to bankruptcies and plant closures at a disproportionate rate in the western biofuel industry. Policy makers in western states are advised to fund research and development for bioenergy and biofuel feedstocks in which they have a comparative advantage. These include forestry by-products, food processing and crop residues, and livestock wastes.
Tipo: Journal Article
Palavras-chave: Biodiesel; Bioenergy research; Biofuels; Biofuel bankruptcies; Biofuel feedstocks; Biofuel incentives; Corn ethanol; Western United States; Resource /Energy Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/57632

Bio-ethanol Production from Wheat in the Winter Rainfall Region of South Africa: A Quantitative Risk Analysis
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Richardson,   James W.; Lemmer,   Wessel J.; Outlaw,   Joe L.
Contrary to developments in other parts of the world, South Africa has not developed a bio-ethanol industry. The objective was to quantify the risks and economic viability of a wheat based bio-ethanol plant in the winter rainfall region of South Africa. Monte Carlo simulation of a bio-ethanol plant was used to quantify the risk that investors will likely face. Under the Base scenario a 103 million liter bio-ethanol plant would not offer a reasonable chance of being economically viable. Alternative price enhancing policies were analyzed to determine policy changes needed to make a bio-ethanol plant economically viable in the region.
Tipo: Journal Article
Palavras-chave: Biofuels; Ethanol; Risk analysis; Simulation; Economic viability; Simetar; SERF; Crop Production/Industries; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/8192

EFFECTS OF A POTENTIAL NEW BIOFUEL DIRECTIVE ON EU LAND USE AND AGRICULTURAL MARKETS
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Banse,   Martin; Grethe,   Harald.
In its Progress Report on Biofuels the European Commission proposes a more restrictive biofuel directive which sets a mandatory minimum share of biofuels in total fuel consumption in the transport sector of 10% per Member State by 2020. This is likely to have a strong impact on demand for biofuel inputs such as plant oils, cereals and sugar beet. To analyze the effects of this proposal on land use and agricultural markets, an extended version of the partial equilibrium model ESIM of the European agricultural sector is developed and applied which covers the production of and demand for biofuels. Two policy scenarios are simulated for the projection horizon until 2020: a baseline under which the share of biofuels in total transport fuels increases to 6.9% by...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; EU Biofuels Directive; Agricultural markets; Partial equilibrium modeling; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6331

The Effect of Climate Change on Wetlands and Waterfowl in Western Canada: Incorporating Cropping Decisions into a Bioeconomic Model
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Withey,   Patrick; van Kooten,   G. Cornelis.
We extend an earlier bioeconomic model of optimal duck harvest and wetland retention in the Prairie Pothole Region of Western Canada to include cropping decisions. Instead of a single state equation, the model has two state equations representing the population dynamics of ducks and the amount of wetlands. We use the model to estimate the impact of climate change on wetlands and waterfowl, including direct climate effects as well as land use change due to biofuel policies aimed at mitigating climate change. The model predicts that climate change will reduce wetlands by 47-56 percent from historic levels. Land use change is expected to reduce wetlands by 45 percent from historic levels, whereas direct climate effects will range from a reduction of 2-11...
Tipo: Working or Discussion Paper
Palavras-chave: Bioeconomic modeling; Wetland protection; Wildlife management; Climate change; Biofuels; Environmental Economics and Policy; Q57; C61; Q25; Q54; C13; Q10; Q16.
Ano: 2011
URL: http://purl.umn.edu/117437

Assessing the environmental externalities from biofuels in Australia
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Cuevas-Cubria,   Clara.
In Australia, as in other countries, the environmental costs and benefits of biofuel production and use have been found to vary greatly according to the production method and feedstocks used. In general, the use of biodiesel produced in Australia has been found to provide greater environmental benefits than ethanol, both in terms of reduced greenhouse gas (GHG) emissions and reduced air pollutant emissions. In this paper, estimates of GHG and air pollutant emissions arising from biofuels and petroleum fuels production and use are employed to calculate the change in environmental externalities when substituting biofuels for petroleum fuels in Australia. These estimates of externalities highlight the need to better understand the environmental implications...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Environmental policy; Greenhouse gas emissions; Air pollutants; Externalities; Australia; Resource /Energy Economics and Policy; Environmental Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/47624

ANÁLISIS DE FACTIBILIDAD PARA LA INTRODUCCIÓN DEL BIODIESEL EN ECUADOR
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Dominguez,   Juan M.; Espinel,   Ramon L.
Increases in petroleum prices have affected the prices of its derived products. In addition, the interest in issues related to the environment and energy security at world-wide level has been increased. All of these factors have contributed to the development of alternative fuel such as the ethanol, biodiesel and natural gas. This study analyzes the main agricultural products used to produce biodiesel, their production costs and the utilization of those inputs in other industries. This study will also include a brief summary of different legislations in those countries under analysis. On the other hand, we will find break-even points and apply a sensibility analysis associated with distinct scenarios in terms of input-output prices.
Tipo: Journal Article
Palavras-chave: Biofuels; Biodiesel; Feasibility; Legislations; Break-even points.; Agribusiness.
Ano: 2009
URL: http://purl.umn.edu/53107

Agricultural Impacts of Biofuels Production
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Walsh,   Marie E.; Torre Ugarte,   Daniel de la; English,   Burton C.; Jensen,   Kimberly L.; Hellwinckel,   Chad M.; Menard,   R. Jamey; Nelson,   Richard G.
Analysis of the potential to supply 25% of projected 2025 U.S. transportation fuels indicates sufficient biomass resources are available to meet increased demand while simultaneously meeting food, feed, and export needs. Corn and soybeans continue to be important feedstocks for ethanol and biodiesel production, but cellulose feedstocks (agricultural crop residues, energy crops such as switchgrass, and forestry residues) will play a major role. Farm income increases, mostly because of higher crop prices. Increased crop prices increase the cost of producing biofuels.
Tipo: Journal Article
Palavras-chave: Biodiesel; Biofuels; Biomass; Cellulose feedstocks; Crop residues; Ethanol; Forest residues; Switchgrass; Agribusiness; Resource /Energy Economics and Policy; O11; Q11; Q41.
Ano: 2007
URL: http://purl.umn.edu/6514

Impacts of Biofuels on Water Supply: Proposed Cures May Worsen the Disease
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Huffaker,   Ray G.
Tipo: Journal Article
Palavras-chave: Water; Conservation; Biofuels; Irrigation; Resource /Energy Economics and Policy; Q25; Q48.
Ano: 2010
URL: http://purl.umn.edu/95758

Volatility Spillovers between Food and Energy Markets, A Semiparametric Approach
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Serra,   Teresa.
Previous literature on volatility links between food and energy prices is scarce and mainly based on parametric approaches. We assess this issue by using a semiparametric GARCH model recently proposed by Long et al. (2009), which is essentially a nonparametric correction of the parametric conditional covariance function. We focus on price links between crude oil, ethanol and sugar prices in Brazil. Results suggest strong volatility links between the prices studied. They also suggest that parametric approximations of the conditional covariance matrix may lead to misleading results and can be improved using nonparametric techniques.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Feedstocks; Price volatility interactions; Semiparametric GARCH; Demand and Price Analysis; Resource /Energy Economics and Policy; Q11; Q42; C58.
Ano: 2011
URL: http://purl.umn.edu/115997

Revisiting the palm oil boom: An examination of consumption in the oils complex
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Sanders,   Daniel J.; Balagtas,   Joseph Valdes; Gruere,   Guillaume P.
The production, trade, and market share of palm oil has shown impressive growth in the last two decades. As a result of sustainability concerns over issues such as deforestation in Indonesia, the causes of the growth in the palm oil market have received considerable attention.  The growth of the biofuels market is one potential culprit that has been notably discussed, but it is not the only possible driver of growth in the palm oil market.  Restrictions on genetically-modified organisms may have played a role, especially as they relate to limits on oil produced from GMO soybeans.  Additionally, increasing concerns over health issues such as trans-fats may have spurred substitution to the low trans-fats palm oil.  This analysis details some of the changes...
Tipo: Conference Paper or Presentation
Palavras-chave: Palm oil; Biofuels; Edible oils; Consumption; Demand and Price Analysis.
Ano: 2011
URL: http://purl.umn.edu/103726

International Interlinkages of Biofuel Prices: The Role of Biofuel Policies
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Rajcaniova,   Miroslava; Drabik,   Dusan; Ciaian,   Pavel.
Kliauga, de Gorter, and Just (2008) and de Gorter, Drabik, and Just (2010) argue that the United States and the European Union establish the world ethanol and biodiesel prices, respectively. We test these theories using a cointegration analysis and the Vector Error Correction (VEC) model. Weekly price series are analyzed for the major global biofuel producers (European Union, United States, and Brazil) for the period 2002 – 2010. Biofuel policies in both the United States and Brazil appear to play a role in determining the ethanol prices in other countries, thus only partially confirming the previous findings for the U.S. price leadership in the literature. For biodiesel, our results demonstrate that the EU tax exemption and mandate impact the world...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Biofuel polices; Price leadership; VEC; Agricultural and Food Policy; International Relations/Trade; C32; Q16; Q17; Q47.
Ano: 2011
URL: http://purl.umn.edu/103222

ANALYZING TRADE IMPLICATIONS OF U.S. BIOFUELS POLICIES IN A GENERAL EQUILIBRIUM FRAMEWORK
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Birur,   Dileep K.; Beach,   Robert H.
As the biofuels are emerging as promising alternative transportation fuels across the world, they also offer huge potential for international trade in biofuels. A number of trade barriers such as import tariffs and domestic support have limited the scope for trade in biofuels. The purpose of this study is to analyze the implications of U.S. biofuel mandates, subsidies and import tariffs on global trade and welfare. We utilize the GTAP-BIO model, which was developed as a customized version of the Global Trade Analysis Project (GTAP) model capable of analyzing domestic and trade policy issues associated with biofuels (Birur, 2010). We supplement this model with updated and detailed sectoral level information on feedstock crops, different types of first and...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Computable General Equilibrium; Land use change; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/103996

The Effects of Changing Commodity Prices On the CRP
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Hellerstein,   Daniel; Malcolm,   Scott A.
How might  increases in commodity prices, along with the acreage reduction mandated in the 2008 Farm Act, impact the Conservation Reserve Program (CRP)?   Modeling Strategy The Likely To Bid (LTB) model “restarts” the CRP from scratch.  Uses National Resources Inventory data to  find parcels “likely” to offer acreage to the CRP  Policy scenarios We consider several scenarios, both with and without increases in CRP rental rates. Continuation of current prices, which are well above prices prevalent when most CRP contracts were enrolled Predicted prices due to an increase in biofuels production to 15 billion gallons Expectation that summer 2008 prices will be the norm  Findings Continuation of current, relatively high commodity prices would have noticeable...
Tipo: Conference Paper or Presentation
Palavras-chave: CRP; Biofuels; Commodity price changes; Likely To Bid model; Environmental Economics and Policy; Land Economics/Use.
Ano: 2010
URL: http://purl.umn.edu/60933

What does the introduction of energy crops mean for the crop mix and cellulosic ethanol plant location in Louisiana?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Mark,   Tyler B.; Darby,   Paul M.; Salassi,   Michael E.
This paper examines the introduction of energy cane and switchgrass in the available crops for production in the Louisiana Sugarcane Belt. Employing an optimal crop mix model net returns over variable costs for each county is maximized.  Furthermore, this paper determines the optimal processing plant location based upon transportation of the biomass produced to one central location for processing.
Tipo: Conference Paper or Presentation
Palavras-chave: Energy cane; Switchgrass; Biofuels; Transportation; Crop mix; Crop Production/Industries; Farm Management; Land Economics/Use; Production Economics.
Ano: 2010
URL: http://purl.umn.edu/56543

: A bioüzemanyagok adózása Magyarországon
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Palyi,   Zoltan.
Megállapítható, hogy a bioetanol adózási helyzete kedvezőbb, mint a biodízelé. Az etanol forgalma dinamikusan növekszik. Magyarországon jelenleg több mint 200 benzinkúton kapható E85 üzemanyag.  Annak érdekében, hogy Magyarországon legalább 10% legyen a közlekedési szektorban a „bio” arány, célszerű első lépésként az üzemanyagokban lévő biokomponens-arányt a jelenlegi 4,8%-ról 6,0%-ra, majd 1-2 év múlva 8,0%-ra emelni. A biodízelnél, például a B40- ---------------------------------------------- Apparently the status of bioethanol in terms of taxation is more favourable than that of biodiesel. Ethanol sales are growing dynamically. The E85 fuel is currently sold at more than 200 petrol stations in Hungary.  In order to increase the share of “bio” to at...
Tipo: Article
Palavras-chave: Bioenergetika; Bioüzemanyag; Gabona-felhasználás; Adózás; Bioenergy; Biofuels; Ethics; Using cereals; Taxation; Agricultural and Food Policy; Agricultural Finance.
Ano: 2011
URL: http://purl.umn.edu/119902

Integrating biofuels into the DART model: Analysing the effects of the EU 10% biofuel target
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Kretschmer,   Bettina; Peterson,   Sonja; Ignaciuk,   Adriana M.
Biofuels and other forms of bioenergy have received increased attention in recent times: They have partly been acclaimed as an instrument to contribute to rural development, energy security and to fight global warming but have been increasingly come under attack for their potential to contribute to rising food prices. It has thus become clear that bioenergy cannot be evaluated independently of the rest of the economy and that national and international feedback effects are important. In this paper we describe how the CGE model DART is extended to include first-generation biofuel production technologies. DART can now be used to assess the efficiency of combined climate and bioenergy policies. As a first example the effects of a 10% biofuel target in the EU...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; CGE model; EU climate policy; Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/53253

GHG Trading Framework for the U.S. Biofuels Sector
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Kumarappan,   Subbu; Joshi,   Satish V.
Substitution of petroleum fuels with biofuels such as ethanol and biodiesel has been shown to reduce greenhouse gas (GHG) emissions. These GHG reductions can be traded in the emerging carbon markets, and methodologies for quantifying and trading are still being developed. The main challenges in developing such GHG trading framework are analyzed. An outline of such a framework is presented that depends on the life cycle assessment of GHG reductions, along with a combination of project specific and regional standard performance measures. The advantages of assigning GHG property and trading rights to biofuel producers are discussed. At carbon prices of $10 per metric ton, estimated additional revenues to biofuel producers range from $ 17 to 64 million dollars...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Ethanol; Biodiesel; Carbon trading; GHG emissions trading; Methodology; CCX; CDM; Maize; Lignocellulosics; Well to wheel; Life cycle analysis; Environmental Economics and Policy; Q42; D23; D4.
Ano: 2008
URL: http://purl.umn.edu/54530

Explaining Investment Decisions in the South African Biofuels Industry: A Game Theoretic Approach
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Funke,   Thomas; Klein,   Peter G.
The production of biofuels and the establishment of a biofuels industry in South Africa have largely been hampered by the structure, procedures and requirements as set out in the Industrial Biofuel Strategy. This article sketches the industry by means of a game theoretic representation. A model is developed that represents the rational strategies of various role players in the industry with respect to investor decision making. In reality this did not occur and the article develops and documents a variable, σ, which in turn helps to represent the current state of affairs. The study explains why current investment decisions in the industry have been made and why certain role players remain indifferent towards any commitment.
Tipo: Journal Article
Palavras-chave: Biofuels; Game Theory; Biofuel Industry Investments; Agricultural Finance; Research Methods/ Statistical Methods.
Ano: 2010
URL: http://purl.umn.edu/95978

Using Cellulosic Ethanol to ‘Go Green’: What Price for Carbon?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Miranowski,   John A.; Rosburg,   Alicia.
The revised Renewable Fuels Standard (RFS2) mandates that cellulosic biofuels be part of the liquid transportation fuel mix and contribute to reducing our carbon footprint.  Unfortunately, since no commercial cellulosic biorefinery exists and cellulosic biomass production is typically smaller scale than conventional crop production, limited knowledge exists of the actual costs of producing cellulosic biomass and converting it to cellulosic ethanol. Understanding of the implications of RFS2 requires a better understanding of the economics of producing cellulosic ethanol.  We use the Biofuel Breakeven model (BIOBREAK), a simple long run breakeven model that represents the feedstock supply system and biofuel refining process, along with estimates of the...
Tipo: Conference Paper or Presentation
Palavras-chave: Environmental Economics and Policy; Resource /Energy Economics and Policy; Biofuels; Biomass; Cellulosic Ethanol; RFS2; Carbon.
Ano: 2010
URL: http://purl.umn.edu/61395

Making a market for Miscanthus: Can new contract designs solve the biofuel investment hold-up problem?
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Wu,   Steven Y.; Rosch,   Stephanie D.; Alexander,   Corinne E.; Tyner,   Wallace E.; Yoder,   Joshua.
We present designs for optimal contracts to solve the investment hold-up problem for perennial crops for the biofuel industry. A fixed-price contract is ex-ante efficient but renegotiation-proof for a limited range of discount parameters. A perfectly-  indexed contract is both renegotiation-proof and ex-post efficient. Provided long-run land prices are stationary, the expected cost for both contracts converges to the long-run expected price of land for a risk-neutral farmer.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Miscanthus; Contract theory; Industrial organization; Renegotiation-proof contract; Marketing.
Ano: 2010
URL: http://purl.umn.edu/61743

Global Land Use Changes and Consequent CO2 Emissions due to US Cellulosic Biofuel Program: A Preliminary Analysis
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Taheripour,   Farzad; Tyner,   Wallace E.
The economic and land use consequences of US biofuel programs and their contributions to GHG emissions have been the focal point of many debates and research studies in recent years.  However, most of these studies focused on the land use emissions due to the first generation of biofuels such as corn ethanol, sugarcane ethanol, and biodiesel (e.g. [1, 2] [3, 4]). A quick literature review indicates that only a few attempts have been made to estimate these emissions for the second generation of biofuels which convert cellulosic materials into liquid fuels. Gurgel et al. [5] have used a highly aggregated computational model (CGE) to evaluate land use consequences of producing biofuels from biomass feedstock. This model does not distinguish between the first...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Cellullosic feedstocks; Land use change; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/103559

Economic Parameters for Corn Ethanol and Biodiesel Production
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Eidman,   Vernon R.
This article presents current investment and operating costs of ethanol and biodiesel plants for alternative prices of feedstock. The price of these two fuels is estimated for alternative prices of crude oil with the existing renewable fuels policy. The excise tax credit, currently $0.51 per gallon of ethanol and $1.00 per gallon of biodiesel, is a major contributor to the fuel price and profitability of these industries. The analysis demonstrates how the crude oil price, feedstock price, and excise tax credits interact to impact profitability of these industries
Tipo: Journal Article
Palavras-chave: Biodiesel; Biofuels; Ethanol; Renewable energy; Resource /Energy Economics and Policy; Q13; Q18; Q28; Q42.
Ano: 2007
URL: http://purl.umn.edu/6519

Emerging Biofuels: Outlook of Effects on U.S. Grain, Oilseed, and Livestock Markets
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Tokgoz,   Simla; Elobeid,   Amani E.; Fabiosa,   Jacinto F.; Hayes,   Dermot J.; Babcock,   Bruce A.; Yu,   Tun-Hsiang (Edward); Dong,   Fengxia; Hart,   Chad E.; Beghin,   John C.
Replaced with revised version of paper 06/04/08.
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Corn acreage; Crop prices; Ethanol production; Food prices; Crop Production/Industries; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/10009

ANÁLISIS DE BIENESTAR DE LOS “SHOCKS DE PRECIOS DE LOS COMMODITIES” EN LOS MERCADOS DE MAÍZ Y TRIGO EN MÉXICO
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Barkley,   Andrew P.; Nalley,   Lawton Lanier; Garay,   Pedro V.
The impacts of biofuel-based commodity price shocks on wheat and maize producers and consumers in Mexico are quantified with a two-region welfare economics model of the world wheat and maize markets. This model captures the international flow of wheat and maize between Mexico and the rest of the world, enabling measurement of price and quantity changes in both Mexican and global wheat and maize markets due to supply shocks in the grain markets. The drastic shifts in supply that accompanied grain markets in 2007/2008 are used to quantify the effects on Mexican consumer and producer well-being.
Tipo: Journal Article
Palavras-chave: Biofuels; Wheat; Corn; Mexican grain markets; Two-region welfare economic model.; Agribusiness.
Ano: 2011
URL: http://purl.umn.edu/113948

Biofuels: Potential Production Capacity, Effects on Grain and Livestock Sectors, and Implications for Food Prices and Consumers
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Hayes,   Dermot J.; Babcock,   Bruce A.; Fabiosa,   Jacinto F.; Tokgoz,   Simla; Elobeid,   Amani E.; Yu,   Tun-Hsiang (Edward); Dong,   Fengxia; Hart,   Chad E.; Chavez,   Eddie C.; Pan,   Suwen; Carriquiry,   Miguel A.; Dumortier,   Jerome.
We examine four scenarios for the evolution of the biofuel sector using a partial equilibrium model of the world agricultural sector. The model includes the new Renewable Fuels Standard in the 2007 energy act, the two-way relationship between fossil energy and biofuel markets, and a new trend toward corn oil extraction in ethanol plants. At one extreme, one scenario eliminates all support to the biofuel sector when the energy price is low, while the other extreme assumes no distribution bottleneck in ethanol demand growth when the energy price is high. Of the remaining two scenarios, one considers a pure market force driving ethanol demand growth because of the high energy price while the other is a policy-induced shock with removal of the biofuel tax...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; EISA; Ethanol; Tax credit; World agricultural sector model.; Agricultural and Food Policy.
Ano: 2009
URL: http://purl.umn.edu/48597

Food Aid and Biofuels: The Effects of Biofuel Policies on Procurement and Delivery
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Cardwell,   Ryan T.; Kerr,   William A.
The food-aid community almost unanimously condemns policies that encourage crop production for fuel.  Both food-aid donors and recipients are concerned that biofuels will increase foodgrain prices and leave donors unable to meet commitments.  The effects of biofuel-induced higher cereal prices on food-aid recipients are complicated functions of several factors, each of which must be considered in an analysis of the effects of biofuel policies.  These factors include the level of biofuel-induced price increases, changes in relative commodity prices, donor-recipient relationships and the sources from which food aid is procured.  This article analyses the effects of biofuel policies on the food-aid supply chain and concludes that the more reliant a recipient...
Tipo: Conference Paper or Presentation
Palavras-chave: Food aid; Biofuels; Development economics; Agricultural and Food Policy; Food Security and Poverty; International Development; O13; Q18; Q42.
Ano: 2009
URL: http://purl.umn.edu/51705

BIOFUELS, CLIMATE POLICY, AND WATER MANAGEMENT: ASSESSING POLICY-INDUCED SHIFTS ON AGRICULTURE’S EXTENSIVE AND INTENSIVE MARGINS
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Baker,   Justin Scott; Murray,   Brian C.; McCarl,   Bruce A.
Biofuel expansion efforts and climate mitigation policy could fundamentally alter land management trends in U.S. agriculture and forestry (AF) by mandating biofuel feedstock production and providing incentives for greenhouse gas (GHG) emissions reduction and carbon sequestration from terrestrial sources. Research has shown that biofuel expansion can alter commodity markets, induce agricultural land expansion, and intensify production. Meanwhile, GHG mitigation efforts could limit agricultural expansion, reduce current cultivation, and lower management intensity by incentivizing GHG emissions reduction and carbon sequestration within AF. To date, little work has attempted to quantify biofuel and climate policy-induced shifts together along the extensive and...
Tipo: Conference Paper or Presentation
Palavras-chave: Greenhouse gas mitigation; Biofuels; Water resource management; Environmental Economics and Policy; Production Economics; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/104912

Assessment of Alternative Fuel Production from Switchgrass: An Example from Arkansas
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Popp,   Michael P.
As the hunt for renewable energy sources from agriculture intensifies, many agricultural producers are contemplating what crops to grow in the foreseeable future. On the one hand, there are traditional food crops, such as soybean, corn, and wheat, which have recently enjoyed a spike in prices, primarily because of the seemingly ever-growing demands of the corn to ethanol industry. On the other hand, there are the lesser-known perennial energy crops, such as switchgrass. Although much information on various aspects of switchgrass production exists, this paper discusses the adaptation of existing production and processing information to Arkansas conditions as a potential alternative to crop production.
Tipo: Journal Article
Palavras-chave: Biofuels; Production costs; Switchgrass; Resource /Energy Economics and Policy; Q42.
Ano: 2007
URL: http://purl.umn.edu/6523

The Trade-off Between Bioenergy and Emissions When Land Is Scarce
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Kauffman,   Nathan S.; Hayes,   Dermot J.
Agricultural biofuels require the use of scarce land, and this land has opportunity cost. We explore the objective function of a social planner who includes a land constraint in the optimization decision to minimize environmental cost. The results show that emissions should be measured on a per acre basis. Conventional agricultural life cycle assessments for biofuels report carbon emissions on a per gallon basis, thereby ignoring the implications of land scarcity and implicitly assuming an infinite supply of the inputs needed for production. Switchgrass and corn are then modeled as competing alternatives to show how the inclusion of a land constraint can influence life cycle rankings and alter policy conclusions.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Biomass; Energy policy; Land use; Life cycle analysis; Agricultural and Food Policy; Environmental Economics and Policy; Q16; Q48; Q58.
Ano: 2011
URL: http://purl.umn.edu/103246

Long-term Effects of the U.S. Renewable Fuel Standard on World Hunger
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Bryant,   Henry L.; Lu,   Jiamin; Richardson,   James W.; Outlaw,   Joe L.
We employ a multi-region computable general equilibrium model of the world economy to estimate changes in worldwide food insecurity that result from the imposition of the U.S. Renewable Fuels Standard.
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Ethanol; CGE; Renewable Fuel Standard; Hunger; Agricultural and Food Policy; Food Security and Poverty; Resource /Energy Economics and Policy; Q180; Q420.
Ano: 2010
URL: http://purl.umn.edu/61262

Analysing Government Decision Making in the South African Biofuels Industry: A Game Theoretic Approach
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Funke,   Thomas; Klein,   Peter G.
The production of biofuels in many countries is largely driven by the government strategy and incentives that are in place. In South Africa the first round of the development of such a draft strategy took place in 2005 while the official stance on biofuels was finalized in December of 2007. During the policy development process various governmental departments had strategic goals and targets that they all were required to achieve. The achievement of these strategic targets and goals is also risky and the various departments that have some form of involvement in the biofuels industry need to decide on how much risk they are willing to take. This article sketches the game that the various governmental departments played as well as the risks that they were...
Tipo: Journal Article
Palavras-chave: Biofuels; Game Theory; Government Strategy; Agricultural and Food Policy; Research Methods/ Statistical Methods.
Ano: 2010
URL: http://purl.umn.edu/95979

A DYNAMIC GENERAL EQUILIBRIUM ANALYSIS OF U.S. BIOFUELS PRODUCTION
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Beach,   Robert H.; Birur,   Dileep K.; Davis,   Lauren M.; Ross,   Martin T.
With the rising global interest in energy security and climate change mitigation, biofuels have gained the prominent attention of researchers and policy makers. The U.S. has emerged as the leading producer of biofuels and is aiming for achieving a target of 36 billion gallons of renewable fuels by 2022 under its updated renewable fuels standard (RFS2) policy. In this paper, we study the longer-term global implications of large-scale renewable fuels production in the U.S. We utilize the GTAP v7.1 data base and introduce a detailed breakdown of agricultural crops, first and second generation biofuels and by-products. We update this fully disaggregated data base to reflect the 2010 global economy, based on secondary data for the sectors and regions included....
Tipo: Conference Paper or Presentation
Palavras-chave: ADAGE; Biofuels; Computable General Equilibrium; Recursive Dynamic; Resource /Energy Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/103965

The Complexities of the Interface between Agricultural Policy and Trade: Technical Annex
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Schmitz,   Troy G.; Schmitz,   Andrew.
This document is the technical annex to the full paper “The Complexities of the Interface between Agricultural Policy and Trade” which is available separately.
Tipo: Article
Palavras-chave: Agricultural policy; Biofuels; Export taxes; Gains from trade; Tariffs; Agribusiness; Agricultural and Food Policy; Agricultural Finance; Environmental Economics and Policy; International Relations/Trade; Political Economy; Production Economics.
Ano: 2012
URL: http://purl.umn.edu/120425

Greenhouse Gas Impacts of Ethanol from Iowa Corn: Life Cycle Analysis versus System-wide Accounting
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Feng,   Hongli; Rubin,   Ofir D.; Babcock,   Bruce A.
Life cycle analysis (LCA) is the standard approach used to evaluate the greenhouse gas (GHG) benefits of biofuels. However, it is increasingly recognized that LCA results do not account for some impacts—including land use changes—that have important implications on GHGs. Thus, an alternative accounting system that goes beyond LCA is needed. In this paper, we contribute to the literature by laying out the basics of a system-wide accounting (SWA) method that takes into account all potential changes in GHGs resulting from biofuel expansion. We applied both LCA and SWA to assess the GHG impacts of ethanol based on Iowa corn.  Growing corn in rotation with soybeans generated 35% less GHG emissions than growing corn after corn. Based on average corn production,...
Tipo: Working or Discussion Paper
Palavras-chave: Biofuels; Corn ethanol; Greenhouse gas; Life cycle analysis; System-wide accounting; Crop Production/Industries; Land Economics/Use; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/6312

Benefit-Cost Analysis of Biodiesel Production in Korea
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Lee,   Sang-Min; Han,   Hye-Sung.
The purpose of this study is to take a close look at Korea‘s biodiesel developing trends and assess economic feasibility based on benefit-cost analysis. This study finally presents directions to actively promote the biodiesel in Korea.  The role of bio-energy is significantly emphasized due to the continuous rise in oil price and environmental problems. According to some researches that have considered various factors such as breed, productivity, production costs and levels of technology, the most feasible bio-ingredients are rape and barley. By means of the benefit-cost analysis, rape has positive values in the net profits when considered with indirect benefits. Also, it is estimated that rape is feasible when produced in place of barley for...
Tipo: Journal Article
Palavras-chave: Biofuels; Biodiesel; Cost-benefit analysis; Korea; Agribusiness; Community/Rural/Urban Development; Environmental Economics and Policy; Land Economics/Use; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/45683

The Implications of Alternative Biofuel Policies on Carbon Leakage
Provedor de dados: Research in Agricultural & Applied Economics (AgEcon Searh)
Autores: Drabik,   Dusan; de Gorter,   Harry; Just,   David R.
We show how leakage differs, depending on the biofuel policy and market conditions. Carbon leakage is shown to have two components: a market leakage effect and an emissions savings effect. We also distinguish domestic and international leakage and show how omitting the former like the IPCC does can bias leakage estimates. International leakage is always positive, but domestic leakage can be negative. The magnitude of market leakage depends on the domestic and foreign gasoline supply and fuel demand elasticities, and on consumption and production shares of world oil markets for the country introducing the biofuel policy. Being a small country in world oil markets does not automatically imply that leakage is 100 percent or above that of a large country. We...
Tipo: Conference Paper or Presentation
Palavras-chave: Biofuels; Market leakage; Carbon leakage; Emissions savings; Domestic leakage; Tax credit; Mandate; Environmental Economics and Policy; Q27; Q41; Q42; Q54.
Ano: 2010
URL: http://purl.umn.edu/102689

Fuel consumption in an air blower for agricultural use under different operating conditions
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Silva,Robson L. da.
ABSTRACT Evaluation of fuel consumption in internal combustion engines (ICE) of agricultural machinery and equipment is important in determining the performance under various operating conditions, especially when using biofuels. This study consisted of experimental evaluation of the gasoline (petrol)/ethanol consumption in a two-stroke 1-cylinder ICE, Otto cycle, functioning as an air blower for agriculture and related applications. A methodology for tests of non-automotive ICE, based on ABNT/NBR technical standards, was considered. The presented results refer to operation with commercial and non-commercial fuel blends. Characteristic curves for the tested equipment are presented, identifying consumption conditions and trend in the whole operating range of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agricultural machines; Energy in agriculture; Internal combustion engines; Biofuels.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000800579

Production of briquettes using coconut and eucalyptus wastes
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Nunes,Eduardo Z.; Andrade,Azarias M. de; Dias Júnior,Ananias F.
ABSTRACT This research analyzed the production and characteristics of briquettes composed of residues of Cocos nucifera and Eucalyptus pellita wood. A completely randomized design was used, having seven treatments and five repetitions per treatment. The treatments corresponded to waste percentages of coconut and eucalyptus residues as following: T1: 100% eucalyptus waste; T2: 20% coconut waste + 80% of eucalyptus waste; T3: 40% coconut waste + 60% of eucalyptus waste; T4: 50% coconut waste + 50% of eucalyptus waste; T5: 60% coconut waste + 40% of eucalyptus waste; T6: 80% coconut waste + 20% of eucalyptus waste; and, T7: 100% coconut waste. For the production of briquettes, 0.5% carboxymethylcellulose (CMC) was used as the binder. The mixtures were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioproducts and bioenergy; Use of agroforestry residues; Compaction and densification of biomass; Biofuels.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019001100883

Quantification and qualification of exhaust gases in agricultural diesel engine operating with biodiesel mixtures
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Silva,Flávio C. da; Aranha,Felipe N.; Angelkorte,Gerd B.; Guardiola,Juan F. H.; Teixeira,Luciana P.; Correia,Ricardo C. de B.
ABSTRACT Diesel cycle engines are widely used in agricultural machinery. Biodiesel offers the possibility of partial or total replacement of mineral diesel, thus reducing the dependence of agriculture on this non-renewable resource and decreasing pollutant emissions. The objective of this study was to evaluate the emissions of CO, NOx, SO2, CO2, and O2 from various biodiesel mixtures (B0 = 0%, B7 = 7%, B10 = 10%, B20 = 20%, B30 = 30% and B100 = 100%) in a single-cylinder tractor engine at 1000, 1600 and 2400 rpm. The exhaust gases were identified using a gas probe meter. Fuels with a higher percentage of biodiesel have the lowest SO2 emissions, with the B30 mixture releasing 65.78, 52.47 and 32.25 parts per million at 1000, 1600 and 2000 rpm, respectively....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gas emissions; Agricultural tractor; Biofuels.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019001000794

Feeding behaviors of feedlot bulls fed concentrate levels and babassu mesocarp meal
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Cruz,Rossini Sôffa da; Alexandrino,Emerson; Missio,Regis Luis; Neiva,José Neuman Miranda; Restle,João; Melo,Jonahtan Chaves; Sousa Júnior,Antonio de; Resende,José Messias de.
The objective of the present study was to evaluate the feeding behavior of feedlot Nellore bulls fed two levels of concentrate (650 and 710 g/kg dry matter) with or without the inclusion of 350 g babassu mesocarp meal/kg dry matter in the concentrate. Twenty-eight animals at 18 months of initial age and 356.66±19.25 kg initial body weight were used. A completely randomized design was used with treatments in a 2 × 2 factorial arrangement. Increase in concentrate level from 650 to 710 g/kg dry matter did not change the feeding time, of 194.41 and 189.64 minutes/day, respectively. The inclusion of 350 g babassu mesocarp meal/kg dry matter in the concentrate increased the feeding time from 173.92 to 210.12 minutes/day, ensuring similar energy intake in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biofuels; Feed efficiency; Feeding time; Idle; Rumination.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700024

OPERATING PERFORMANCE OF A TRACTOR WORKING WITH DIFFERENT RATIOS OF CASTOR BEAN AND JATROPHA BIODIESEL
Provedor de dados: Revista Engenharia na Agricultura
Autores: Simon, Carla da Penha; Vitória, Edney Leandro da; Lacerda, Elcio das Graça; Freitas, Ismael Lourenço de Jesus.
There is a growing global quest for clean energy. One of the alternatives is the use of agroenergy, which is the use of vegetable and animal raw material for the production of biofuels. Among them, biodiesel stands out for its renewable and biodegradable nature. The objective of this study was to evaluate the operating performance and smoke opacity of an agricultural tractor fed with different types and ratios of castor bean and Jatropha biodiesels. The study was conducted at Fazenda Experimental CEUNES / UFES, Campus São Mateus - ES. The mixture ratios of biodiesel/diesel used were: B0 (0/100%), B5 (5% 95%), B15 (15%/85% diesel), B25 (25%/75%), B50 (50%/50%), B75 (75%/25%), and B100 (100%/0%). The results showed an increase of 20.0% and 14.8% in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mecanização Agrícola Bioenergy; Biofuels; Specific Consumption; Smoke Opacity.
Ano: 2018
URL: http://www.seer.ufv.br/seer/index.php/reveng/article/view/844

Estimates of genetic parameters and path analysis of crambe: An important oil plant for biofuel production
Provedor de dados: Acta Scientiarum: Agronomy
Autores: Vasconcelos, Ubieli Alves Araújo; Dias, Luiz Antônio dos Santos; Corrêa, Thais Roseli; Rosmaninho, Lucas Barbosa de Castro; Silva, Dandara Rêgo Muniz da; Zaidan, Iasmine Ramos.
Crambe is an oilseed plant producing oil that can be used for various industrial purposes, including the production of biofuel. It is a short-cycle, non-food plant that can be grown as a second crop following soybean or corn crops and using the same agricultural machinery. This work aimed to estimate genetic parameters and correlations between traits of genotypes grown for two years in seven locations in two Brazilian states. The cultivar FMS Brilhante and the lines CR 1101, CR 1102, CR 1105, CR 1202, CR 1303, and CR 1304 were used. The traits evaluated were grain yield (YD), plant height (PH), stem diameter (SD), first fruiting branch height (BH), 1,000-seed weight (SW), and number of branches (NB). The correlations between traits were identified from the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding; Biofuels; Oleaginous plants; Brassicaceae breeding; Biofuels; Oleaginous plants; Brassicaceae.
Ano: 2020
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42490

Energetic use of solid products of pyrolysis technology
Provedor de dados: Agricultural Engineering International : The CIGR e-journal
Autores: Malatak, Jan.
At the present time there has been a serious question of non-renewable energy resources substitution that is why solved problem has worldwide meaning within high increase of fuels consumption from renewable energy resources. The aim of this paper is definition of other possibilities and limits for energetic utilization of solid biomass modified by pyrolysis technology to biochar.    Analyzed samples are processed into the form of pellets in diameter 8 mm made from rape straw. There is used laboratory pyrolysis unit working on the principle of slow pyrolysis reaction which processes samples at the temperature of 400 °C and taking 220 minutes in reactor filled by nitrogen medium. The experimental part of the work is based on elemental and stoichiometric...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biofuels; Elemental analysis; Stoichiometric analysis; Pyrolysis; Combustion.
Ano: 2015
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3078

FTIR transmission spectroscopy for measurement of algae neutral lipids
Provedor de dados: Agricultural Engineering International : The CIGR e-journal
Autores: AlShikaili, Talal Yasir; Thomasson, John Alex; Ge, Yufeng; Brown, Louis; Brown, Jola.
Algae lipids can be used to produce biofuels and are considered a potential source of energy to supplant fossil fuel. Cultivation practices of algae grown in large ponds can be tailored to maximize lipid content. Laboratory methods of measuring lipid content are time-consuming and labor-intensive, so a real-time measuring technique is needed to efficiently control the addition of pond nutrients.  The objective of this research was to determine the effectiveness of measuring algae lipid content with Fourier Transform Infrared (FTIR) transmission spectroscopy. Six algae samples (Nannochloropsis salina) with varying lipid contents were centrifuged and then dried in an oven at 40° C for 12 hours. Dried algae were mixed with potassium bromide (KBr) powder at a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biofuels; FTIR spectroscopy; ATR spectroscopy; KBr pellets; Mid-infrared spectroscopy.
Ano: 2022
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5405

Technical and economical analysis of a combined biogas-ethanol-biodiesel plant in Central Chile
Provedor de dados: Agrociencia
Autores: Reyes-Aroca,José F.; Vidaurre-Parra,Cristian A.
The economic feasibility and the technical consistency of a system to produce biofuels were analyzed in Central Chile in the year 2010. In this study, the biodiesel, ethanol, and biogas platforms were integrated to assess the internal rate of return (IRR) and net present value (NPV) indexes. The analysis included the influence of the type of alcohol used in the manufacture of biodiesel (ethanol versus methanol), the effect of the relative size of the platform of ethanol with respect to biodiesel, and the impact of the value of main agricultural feedstocks. The study used combinations of plant sizes of10 000-20 000 m³ y -1 for ethanol, and 20 00040 000 m³ y -1 for biodiesel, and in all the cases the biogas platform was projected with a generating capacity...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biofuels; Fuel cost; NPV (net present value); Mass-energy balance.
Ano: 2013
URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952013000600008

Bioethanol production with different dosages of the commercial Acrylamide polymer compared to a Bioextract in clarifying sugarcane juice
Provedor de dados: Anais da Academia Brasileira de Ciências
Autores: FREITA,CRISTHYANE M.; FREITA,LIDYANE A.; TRALLI,LETICIA F.; SILVA,ALINE F.; MENDES,FRANCIELE Q.; TEIXEIRA,VITOR; MUTTON,MARCIA J.R.
ABSTRACT One of the most important steps is to clarify the juice, which are added synthetic polymer acrylamide base, aiming the fast settling of impurities present in the juice. However, this input is expensive and may have carcinogenic and neurotoxic actions to humans. The search for new natural flocculants that have similarity with the commercial product is of great value. A bioextract that may be promising and has coagulant action is the Moringa oleifera Lam. In this context, the objective of the research was to evaluate the consequences of the use of moringa seed extracts and various concentrations of commercial polymer, such as sedimentation aids in clarifying sugarcane juice in the ethanol production, comparing the efficiency of the bioextract...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biofuels; Biopolymers; Juice treatment; Moringa oleifera Lam.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000603093

Evaluation of CO2 Biofixation and Biodiesel Production by Spirulina (Arthospira) Cultivated In Air-Lift Photobioreactor
Provedor de dados: Brazilian Archives of Biology and Technology
Autores: Morais,Etiele Greque de; Cassuriaga,Ana Paula Aguiar; Callejas,Nicolás; Martinez,Natalia; Vieitez,Ignacio; Jachmanián,Iván; Santos,Lucielen Oliveira; Morais,Michele Greque de; Costa,Jorge Alberto Vieira.
ABSTRACT Spirulina is a microalgal genre that has the capacity to produce various bioproducts with applications in several areas including the energy sector. The study aimed to assess the ability of CO2 biofixation, biodiesel and other biocompounds production by Spirulina sp LEB 18 cultured in air-lift photobioreactor. The microalgae presented a rich macronutrient composition: protein (47.3%), carbohydrates (13.4%) and a high lipid content (32.7%) in a media with nitrogen reduction, CO2 using air-lift photobiorector. Furthermore, 160 mg.L.d-1 of CO2 was biofixed, generating a maximum biomass yield of 0.02 g.L.d-1. The lipids evaluated for biodiesel production presented a theoretical yield of 19.8% for in situ transesterification and 47.9% for conventional...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biofuels; Carbon dioxide; Microalgae; Photobiorefinary; Biocompounds.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132018000100703

Bioenergy production capacity in the province of Santa Fe, Argentina
Provedor de dados: Ciencia e Investigación Agraria, Revista Latinoamericana en Ciencias de la Agricultura
Autores: Montico,Sergio.
Bioenergy is a renewable source of primary energy and its sustainable use is an advantage to the current global energy crisis. The use of vegetable resources for energy purposes requires specific studies of the impacts that might occur to the economy and the environment. The province of Santa Fe (Argentina) has an agroproductive structure capable of providing biomass for its processing and production of energy. The objective of this work was to value the capacity of this province for bioenergy production from grains transformation into biofuels and the biomass energy from crop straw, and speculates on the impact on soils from removed crop residues. Crop residues of the ten most important grain and oilseed crops (15.2x10(6) Mg year-1) and bioethanol and...
Tipo: Journal article
Palavras-chave: Biofuels; Bioenergy; Crops residues; Sustainability.
Ano: 2009
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000300013

Glycerol inclusion levels in corn and sunflower silages
Provedor de dados: Ciência e Agrotecnologia
Autores: Martins,Adriana de Souza; Oliveira,Juliane Ribeiro de; Lederer,Marili Lopes; Moletta,José Luís; Galetto,Shivelly Los; Pedrosa,Victor Breno.
Due to the seasonal cycle of forage, the use of silage to feed animals provides nutrients throughout the year. However, its quality can be improved with the inclusion of additives and other products. Glycerol is a rich source of energy and present a high efficiency of utilization by animals. The purpose of this work was to evaluate the effect of glycerol inclusion on the chemical and fermentation characteristics of corn and sunflower silages. Two silage sources (maize and sunflower) were used and four levels of glycerol inclusion (0, 15, 30 and 45%) based on dry matter were carried out. The experimental design was completely randomized in a 2 x 4 factorial arrangement with five replications. The pH values and chemical composition of corn and sunflower...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Crude glycerin; Biofuels; Dry matter; Fermentation quality; Conserved forage.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542014000500009