If the plethora of prototypes popping out of hangars around the world is anything to go by, urban air mobility (UAM) may well be the future of short-distance commercial aviation. Whether powered by electric or hybrid propulsion systems, the possibility of minivan-sized vertical take-off and landing (VTOL) aircraft could be the fulfilment of pop-culture promises of flying cars made as far back as the 1950s and 1960s.
展开▼
