A SpaceX-backed startup's electric flying became the first to get approval for flight tests.
• Alef Aeronautics is already taking pre-orders for the car that will start at $300,000.
A fully electric flying car that'll cost about $300,000 just won approval to start testing on the road – and in the air.
Alef Aeronautics, a Californian automaker, said in a press release it had…