Monte Hawkins prepares to remove the fuel line attached to a Continental Airlines jet for the first biofuel-powered demonstration flight of a U.S. commercial airliner Wednesday, Jan. 7, 2009, at Bush Intercontinental Airport in Houston. AP Photo logo AP Photo 37 months ago

Monte Hawkins prepares to remove the fuel line attached to a Continental Airlines jet for the first biofuel-powered demonstration flight of a U.S. commercial airliner Wednesday, Jan. 7, 2009, at Bush Intercontinental Airport in Houston.