Imaginative's Charles Bombardier and AirBouyant's Pete Bitar give the idea of a vertical takeoff (VTOL) that can fly quickly in the city.
US aircraft maker DeLorean Aerospace is developing a new vertical van that inspired the design of Formula One racing cars.
Uber's UOL Wing Flight Taxi is scheduled to operate in the United States and the United Arab Emirates from 2020 with its own charging grid.
The unmanned aircraft capable of landing anywhere with a tail (tailsitter) will turn all US Navy ships into aircraft carriers.