Passenger and freight travel account for 28% of U.S. greenhouse gas (GHG) emissions today.
View Article and Find Full Text PDFAssessments of the impact of the U.S. renewable fuel standard (RFS) should inform consideration of future biofuels policy.
View Article and Find Full Text PDFThe Energy Independence and Security Act of 2007 targets use of 36 billion gallons of biofuels per year by 2022. Achieving this may require substantial changes to current transportation fuel systems for distribution, dispensing, and use in vehicles. The U.
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