Sustaining biofuels

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Abstract

Until last year, biofuels seemed to promise a greener future and a solution to the problems of fossil fuels. Suddenly in 2008, things appeared to be less certain when biofuels became the subject of debate as to whether they were as environmentally friendly as originally thought. Jon Evans reports on the new race worldwide to establish appropriate sustainability criteria. Copyright © 2009 Society of Chemical Industry and John Wiley & Sons, Ltd