In the battle between food and fuel, cellulosic ethanol might not be a great idea or even a viable solution to our energy woes, but enzyme company Novozymes says it’s coming, regardless. (Cellulosic ethanol is different than the regular kind — it’s produced from “leftover” crop waste that is first digested by enzymes.)

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Check out Novozymes’ interactive map on the subject, which claims that by 2014, the U.S. will have 250 million gallons of cellulosic ethanol refining capacity.

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