water ethanol

We recently heard that, according to one group of researchers at Environmental Science & Technology magazine, corn ethanol has a water cost of 50 gallons per mile. Now, a team working from the University of Twente in the Netherlands has calculated the water cost of ethanol and other biofuels ...

The nail in the coffin of corn-based ethanol might be made of water. The magazine Environmental Science & Technology has published an article that pegs the amount of water needed to make enough corn ethanol to move a vehicle one mile at 50 gallons. That's pretty high. ES&T calculated the ...