Some biofuels might do more harm than good to the environment, study finds

Biofuels based on ethanol, vegetable oil and other renewable sources are increasingly popular with government and environmentalists as a way to reduce fossil fuel dependence and limit greenhouse gas emissions.

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<p><a href="http://www.physorg.com/news131113452.html">Some biofuels might do more harm than good to the environment, study finds</a></p> <p>Biofuels based on ethanol, vegetable oil and other renewable sources are increasingly popular with government and environmentalists as a way to reduce fossil fuel dependence and limit greenhouse gas emissions.</p>