Seems the United States is currently producing zero gallons a year of cellulosic ethanol. This, despite the assurances of hyped “entrepreneurs,” hundreds of million of dollars in subsidies, and a 2007 federal mandate for production of 100 million gallons a year by 2010.
For more, see this story by Robert Rapier.
Rapier’s conclusion? Will-power is not enough to alter the laws of physics. Cellulosic ethanol will never be more than a niche fuel. The wish that it would run the cars-first transportation order of the United States? “Fairy dust.”