As we enter the 21st century, policy-makers face complex decisions regarding options for meeting the demand for transportation fuels. There is now a broad scientific consensus that the burning of fossil fuels has been contributing to climate change,1 and the transportation sector is a major contributor (see Figure 1). Yet global demand for energy and transport fuel is rapidly rising.

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Contact Person: 
Rebecca Efroymson
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Center for BioEnergy Sustainability, Oak Ridge National Laboratory
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Randy Bruins
Kent Hoekman
Rebecca Efroymson
Andy Aden
Alan Hecht
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