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Water Impact of Second Generation Biofuels Is Largely Unknown, Requires More Research: Government Accounting Office Posted by TreeHugger 1 year 22 weeks ago - Tags: 
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The GAO says it requires 7-321 gallons of water per gallon of corn ethanol, but when it comes to second generation biofuels, we have very little good data. Photo: Don O'Brian via flickr
By this point the water intensity of using first generation feedstocks such as corn to make biofuels is pretty well known. Though it does vary from region to region, it requires a lot of water to make a little ethanol. What's less known and what needs much more study, a new report from the
. Full story @ treehugger.com |
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