Its classification as an ultralight vehicle also means it can't fly at night or over urban areas ... likes of Uber and Google's Larry Page push things along. Still, I can't help but grimace ...

But too heavy a powertrain, and the car won't fly. Vice versa, if the wings are too small, the car won't get off the ground. Developing a vehicle that meets this balance is expensive and time ...

Mock-up images released by Alef show what the vehicle could be like. The car could fly up to 110 miles The Model A, which is fully electric, has a driving range of 200 miles and a flight range of ...