Corn as a source for ethanol has its problems. While there are a number of backers, there are real issues that need to be addressed, including (but not necessarily limited to) the huge amount of corn required to brew large batches of the alcohol fuel and the large quantities of water needed in the process. A new alternative is just now popping up that may offer at least a partial solution: watermelon juice.
America, your apparent hatred for disfigured fruit means we may have a big, untapped biomass source to make ethanol. Agricultural Research Service (ARS) in Oklahoma has been testing ways to make the simple sugars found in watermelons into ethanol, and the USDA is now reporting some success on that front.