Biofuels: does the U.S. have enough water to support large production?

The oil spill sludge building up on the Gulf Coast and the offshore drilling moratorium is a constant reminder of oil dependence, environmental dangers of domestic drilling and the need for alternative fuels. Particularly fuels for transportation since that’s where we use 70 percent of domestic and imported petroleum supplies. Of course, any oil related crisis requires a close look at alternatives such as liquid biofuels.

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