Support WBURBiofuels Start To Take Off In The Airline IndustryPlay03:50Download AudioBellamy PailthorpNovember 09, 2011 ShareEmployees load bags onto a Boeing 737-800 running on algae-based biofuel in Houston. Continental (owned by United Continental Holdings Inc.) flew the nation's first passenger jet powered by biofuels on Monday. (Getty Images)
