My argument is: Technology deployed by the military to get the mission done is expensive, not developed by the military alone and doesn't always end up producing anything we the public will ever use. There is also nothing new in using "alternative" fuels by the military. The press seems to have noticed all of a sudden. (I wonder what corporations stand to make a fortune supporting which technologies?) bio fueled ships: Navy Green: Military Investigates Biofuels to Power Its Ships and Planes: Scientific American aviation biofuel- Agency Seeks to Develop Military Aviation Biofuel - U.S. Department of Defense Transformation News Story ethanol used by U.S. army in the 40's: Ethanol Fuel History. there's more but I'm sure other people can use google.