Posted: 07/01/2012
An A-10C Thunderbolt II flies over Floridas Gulf Coast on June 29, 2012, marking the second flight of an aircraft powered solely by an alcohol-derived jet fuel blend. Alcohol-to-Jet is a cellulosic-based fuel that can be derived using wood, paper, grass or anything that is a cell-based material. (U.S. Air Force photo/Staff Sgt. Joely Santiago)