Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Science, Medicine and Technology Plane Flies on Power of Five Light Bulbs 8-30-2006 • LiveScience.com The largest unmanned aircraft to rely solely on hydrogen fuel has flown successfully during tests. The plane, with a 22-foot-wingspan, is powered by a fuel-cell system that generates 500-watts—equal to five bright light bulbs. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: