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Biofuel woes

Cross posted by Katharine Sanderson on The Great Beyond Two papers in Science yesterday have poured cold water on the promise of second generation biofuels. Biofuels derived from the cellulosic, woody parts of plants are not having their greenhouse gas emissions properly accounted for, says Jerry Melillo from the Marine Biological Laboratory at Woods Hole. Melillo’s study suggests that changes in the way land is used, as a consequence of growing crops for biofuels, is not taken into account, and if it were then those biofuels would be shown to actually cause more greenhouse gases to be released than fossil 

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