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A close chemical relative of the fuel in butane cigarette lighters may be what helps keep air travel viable in a post-petroleum world. As affordable petroleum becomes scarcer, it's easy to imagine switching to electric cars or outfitting hydrogen-powered ships with supplementary sails. But it's harder to picture what we might run jumbo jets on in the future

As we process applications for this year's Inc.

Flying Food Group has seen steady growth since Sue Ling Gin founded the company in 1983 to bring a higher quality of food service to commercial airlines. As applications for the 2011 Inc

Photograph by Matt Nager Creative marketers are launching new efforts to reach the Latin American community. Olga Romero manages multicultural communications for Southwest Airlines. Olga Romero Bilingual Communications Specialist, Southwest Airlines Dallas Romero, 36, manages multicultural communications for the airline.

Photograph by Matt Nager Creative marketers are launching new efforts to reach the Latin American community.

Biofuel-powered aircraft have finally been approved, and could cut airlines' fuel costs in half. When's the maiden flight? Biofuel-powered aircraft have finally moved into the real world now that the U.S.-based Air Transport Association has approved a fuel blend of up to 50% organic waste and non-food material (i.e

Denise Frantz's cruise on Carnival isn't meant to be. First her plane is delayed, and then she's denied boarding because of a paperwork problem. But wait! Didn't Carnival make her airline reservations?

The Fast Company reader's essential source for breaking news and innovation from around the web--updated all day. Tumblr's Insane Growth "Exponential" growth is a term often bantered around with little mathematical accuracy

What do guns, burglar alarms, and condoms have in common?

We may not yet be able to power large airplanes sustainably with biofuels, but there are still ways that the airline industry can easily cut down on its fuel use and CO2 emissions. One ultra-simple solution: Keep planes at the gate longer with their engines turned off instead of having them idle on the runway. The idea comes courtesy of Hamsa Balakrishnan , an MIT professor specializing in airspace efficiency, in a paper published in the MIT Technical Report ( PDF )