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DuKai Photographer / Moment / Getty Images
By Venkat Viswanathan, Shashank Sripad and William Leif Fredericks
As electric cars and trucks appear increasingly on U.S. highways, it raises the question: When will commercially viable electric vehicles take to the skies? There are a number of ambitious efforts to build electric-powered airplanes, including regional jets and planes that can cover longer distances. Electrification is starting to enable a type of air travel that many have been hoping for, but haven't seen yet—a flying car.