How green is sugarcane ethanol?

Detalhes bibliográficos
Autor(a) principal: Sant'Anna, Marcelo Castello Branco
Data de Publicação: 2015
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional do FGV (FGV Repositório Digital)
Texto Completo: http://hdl.handle.net/10438/17812
Resumo: Evento: Lacea
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spelling Sant'Anna, Marcelo Castello BrancoDemais unidades::RPCAEscolas::EPGE2017-01-31T16:24:15Z2017-01-31T16:24:15Z2015http://hdl.handle.net/10438/17812Evento: LaceaBiofuels offer one approach for reducing carbon emissions in transportation. However, the agricultural expansion needed to produce biofuels may endanger tropical forests and thus offset the benefits of fossil fuel substitution. Whether this occurs depends on the extent to which increases in biofuels supply arise from gains in yields per acre or expansion in growing areas. I use a dynamic model of land use to disentangle the roles played by acreage expansion and yield increases in the supply of sugarcane ethanol in Brazil. The model is estimated using a panel of 1.8 million fields, which is built using remote sensing (satellite) information of sugarcane activities. My estimates imply that, at the margin, 94% of new ethanol comes from increases in area planted and only 6% from increases in yield. Direct deforestation accounts for 12% of area expansion. Balancing carbon emissions from deforestation and the carbon saved by fossil fuel substitution, I find that it would take about 20 years for the lower emissions from sugarcane ethanol to 'pay back' the added emissions from deforestation. As an illustrative policy experiment, I consider the effects of a 5 billion gallon sugarcane ethanol mandate (~ 3% of US gasoline consumption). Such policy would lead to a 1% price increase and deforestation of about 9,000 sq. km. ( ~3/4 the size of Connecticut).engEPGE - Escola de Pós-Graduação em EconomiaEthanolEconomiaÁlcoolBiocombustíveisCultivos agrícolas energéticosHow green is sugarcane ethanol?info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectreponame:Repositório Institucional do FGV (FGV Repositório Digital)instname:Fundação Getulio Vargas (FGV)instacron:FGVinfo:eu-repo/semantics/openAccessRede de Pesquisa e Conhecimento AplicadoTEXTHow_green_is_sugarcane_ethanol.pdf.txtHow_green_is_sugarcane_ethanol.pdf.txtExtracted texttext/plain90305https://repositorio.fgv.br/bitstreams/749dd76e-fcde-40dc-9f0b-492fa9b2eba8/download7314e59b1d97d77025d8896defbe815bMD54How green is sugarcane etanol.pdf.txtHow green is sugarcane etanol.pdf.txtExtracted texttext/plain100820https://repositorio.fgv.br/bitstreams/fa82aa1a-6551-45b1-aa24-eda113b1ca13/download499935918469f7f00b3a46aebaaa7195MD58ORIGINALHow green is sugarcane etanol.pdfHow green is sugarcane 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dc.title.eng.fl_str_mv How green is sugarcane ethanol?
title How green is sugarcane ethanol?
spellingShingle How green is sugarcane ethanol?
Sant'Anna, Marcelo Castello Branco
Ethanol
Economia
Álcool
Biocombustíveis
Cultivos agrícolas energéticos
title_short How green is sugarcane ethanol?
title_full How green is sugarcane ethanol?
title_fullStr How green is sugarcane ethanol?
title_full_unstemmed How green is sugarcane ethanol?
title_sort How green is sugarcane ethanol?
author Sant'Anna, Marcelo Castello Branco
author_facet Sant'Anna, Marcelo Castello Branco
author_role author
dc.contributor.unidadefgv.por.fl_str_mv Demais unidades::RPCA
Escolas::EPGE
dc.contributor.author.fl_str_mv Sant'Anna, Marcelo Castello Branco
dc.subject.eng.fl_str_mv Ethanol
topic Ethanol
Economia
Álcool
Biocombustíveis
Cultivos agrícolas energéticos
dc.subject.area.por.fl_str_mv Economia
dc.subject.bibliodata.por.fl_str_mv Álcool
Biocombustíveis
Cultivos agrícolas energéticos
description Evento: Lacea
publishDate 2015
dc.date.issued.fl_str_mv 2015
dc.date.accessioned.fl_str_mv 2017-01-31T16:24:15Z
dc.date.available.fl_str_mv 2017-01-31T16:24:15Z
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dc.publisher.none.fl_str_mv EPGE - Escola de Pós-Graduação em Economia
publisher.none.fl_str_mv EPGE - Escola de Pós-Graduação em Economia
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