Bioethanol's impact on water supply 3 times higher than once thought

At a time when water supplies are scarce in many areas of the United States, scientists in Minnesota are reporting that production of bioethanol - often regarded as the clean-burning energy source of the future - may consume up to three times more water than previously thought. Their study is scheduled for the 15 April issue of ACS' Environmental Science and Technology, a semi-monthly publication...

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