Flying Cars, Jet Packs, and the Very Speedy Future of Personal Transit

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Is 2012 the Year of the Flying Car?

Jet packs and personal helicopters may be fodder for sci-fi movies and cartoons, but a handful of entrepreneurs are working to make them real. And while some of these inventions may be prohibitively expensive for some (read: $2,000,000 for a submarine), here's a look at seven vehicles that have the potential to make us travel more efficiently—and more futuristically. What adventurous entrepreneur can wait to get behind the wheel of a car with wings?