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Estimating greenhouse gas emissions from indirect land-use change in biofuels production: concepts and exploratory analysis for soybean-based biodiesel

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Title Estimating greenhouse gas emissions from indirect land-use change in biofuels production: concepts and exploratory analysis for soybean-based biodiesel
 
Creator Panichelli, Luis
Gnansounou, Edgard
 
Subject Biodiesel
Greenhouse gas (GHG) emissions
Indirect land-use change (ILUC)
Optimization
 
Description 1017-1030
Due to changes in carbon stock of soil and biomass, indirect land-use change (ILUC) has consequences on green house gas
(GHG) balance of a biofuel that are not presently considered in evaluation of environmental merits of biofuels. Significant
changes in land-use are expected to occur in biofuel producing countries and their consequences may affect global markets.
This paper aims to: 1) Review state-of- art of accounting for indirect effects in biofuels production and their influence on GHG
balance of a biofuel pathway; 2) Present a model to estimate and optimize GHG emissions from LUC; and 3) Estimate
potential GHG emissions for the case of soybean-based biodiesel production. ILUC concepts and a classification of ILUC
sources are proposed. Then a methodological framework to quantify GHG emissions is discussed and applied to the case
study. Different scenarios to achieve demand are proposed and their implications related to ILUC are determined. Using a
system-wide approach and a non-linear programming (NLP) model, GHG emissions are evaluated in terms of carbon pay back
time and optimized based on soybean supply strategy to produce biodiesel.
 
Date 2008-11-18T07:36:12Z
2008-11-18T07:36:12Z
2008-11
 
Type Article
 
Identifier 0022-4456
http://hdl.handle.net/123456789/2427
 
Language en_US
 
Publisher CSIR
 
Source JSIR Vol.67(11) [November 2008]