price of corn has already doubled

your also paying 54 cents a gallon in ethanol subsidies

6 gallons of water + natural gas or coal + corn = 1 gallon ethanol which has less energy than what it took to produce it

cellulosic ethanol is a dead end unless a bug can be invented that will break the lignin and leave the carbohydrates in the plant alone(good luck), and even if that did happen, its still an extra step in a process that borders on being a net loser anyway