http://www.youtube.com/watch?v=XTVABr4Dz7g&feature=g-u-u&context=G21af2c5FUAAAAAAAAAA
An F-14 Prius? Maybe.
The Air Force uses more fuel than the Army, Navy and Marine Corps combined, so in an effort to reduce fuel consumption costs the Air Force is developing synthetic bio fuels for use in jet engines. The effort is explained in this Department of Defense video.
