Biofuels for Transportation

Peña, Naomi
Sheehan, John

2007

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Interest in creating transportation fuels form plant materials is escalating worldwide. For climate change, the most important issue is the greenhouse gas consequences of these fuels. These depend on the emissions per unit of energy in the biofuels, the total amount of biofuels produced, and the efficiency of vehicles in which the fuels are used. Determining the greenhouse gas emissions of a biofuel is a major challenge. Biofuels can be produced in many ways, and a biofuel’s emissions result from the particular choices of lands and crops used, management practices, conversion processes, and conversion energy. Consequently, these choices play important roles in biofuels’ contribution to meeting climate goals. They also play a major role in the extent to which biofuel production can be harmonized with other land uses and objectives. Decisions with significant implications for biofuels are likely to be made in two distinct venues: the United Nations Framework Convention on Climate Change and the World Trade Organization. Ensuring that decisions in each arena takes cognisance of decisions in the other, and work in concert rather than at cross-purposes, should be a high-priority for biofuel stakeholders. [Executive Summary]

Aspectos ambientales; Biocombustibles; Biocombustibles para transporte; Cambio climático;