When the six F/A-18 Hornets in the U.S. Navy's Blue Angels flight demonstration team thrill the crowds at the Naval Air Station Patuxent River Air Expo in Maryland this weekend, they'll be soaring on biofuel.

Each of the six Hornets will be powered by a 50/50-blend of jet fuel and camelina-based biofuel, according to a Navy press release.

Blue Angels to fly on biofuels – This Just In - CNN.com Blogs