Scientific surprise over water-hungry ethanol

Scientists from the University of Minnesota are reporting that production of bioethanol — often regarded as a clean-burning energy source of the future — may consume up to three times more water than previously thought.

“Water Embodied in Bioethanol in the United States,” scheduled for publication in the April 15 issue of the American Chemical Society’s (ACS) journal Environmental Science & Technology, comes at a time when water supplies are scarce in many areas of the United States, the ACS said in a press release about the study.
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