Water, which is already in trouble for droughts around the country, has been shown to be a huge ingredient in the production of biofuels. In a recent study by scientist Michael Webber at University of Texas, he found biofuels to use from 40 to 130 times more water per gallon than gasoline, mostly from the water needed for irrigation. It’s just another of the many complicated factors as we try to improve our energy portfolio and make it safer for future generations.
From Treehugger