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Life cycle assessment of biofuels from Jatropha curcas in West Africa: a field study

Ndong, Robert and Vignoles, Mireille and Saint-Girons, Olivier and Gabrielle, Benoit and Pirot, Roland and Domergue, Marjorie and Sablayrolles, Caroline Life cycle assessment of biofuels from Jatropha curcas in West Africa: a field study. (2009) Global Change Biology Bioenergy, vol. 1 (n°3). pp. 197-210. ISSN 1757-1707

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Official URL: http://dx.doi.org/10.1111/j.1757-1707.2009.01014.x

Abstract

In recent years, liquid biofuels for transport have benefited from significant political support due to their potential role in curbing climate change and reducing our dependence on fossil fuels. They may also participate to rural development by providing new markets for agricultural production. However, the growth of energy crops has raised concerns due to their high consumption of conventional fuels, fertilizers and pesticides, their impacts on ecosystems and their competition for arable land with food crops. Lowinput species such as Jatropha curcas, a perennial, inedible crop well adapted to semiarid regions, has received much interest as a new alternative for biofuel production, minimizing adverse effects on the environment and food supply. Here, we used life-cycle assessment to quantify the benefits of J. curcas biofuel production inWest Africa in terms of greenhouse gas emissions and fossil energy use, compared with fossil diesel fuel and other biofuels. Biodiesel from J. curcas has a much higher performance than current biofuels, relative to oil-derived diesel fuels. Under West Africa conditions, J. curcas biodiesel allows a 72% saving in greenhouse gas emissions compared with conventional diesel fuel, and its energy yield (the ratio of biodiesel energy output to fossil energy input) is 4.7. J. curcas production studied is eco-compatible for the impacts under consideration and fits into the context of sustainable development.

Item Type:Article
Additional Information:Thanks to Wiley Inter Science editor. The definitive version is available at http://www3.interscience.wiley.com/cgi-bin/home The original PDF of the article can be found at Global Change Biology Bioenergy website : http://www3.interscience.wiley.com/journal/122199997/home
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Institut National de la Recherche Agronomique - INRA
French research institutions > Centre de Coopération Internationale en Recherche Agronomique - CIRAD
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Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By: Caroline Sablayrolles
Deposited On:20 May 2010 12:53

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