![Are MIT's "Double Bubble" Planes the Future of Air Travel? [Planes]](https://img.ksl.com/slc/2498/249805/24980593.jpg?filter=kslv2/responsive_top_sm&v=1334162285)
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Fuel continue to be the largest operating expenditure for airlines and is expected to cost them an extra $40 billion this year. So, MIT's developing a new style of aircraft that could run on as little as 30 percent as today's 737's.More Read More ...
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