Mir war bis eben nicht klar, dass tatsächlich mal schwebende Autos entwickelt wurden. Offensichtlich konnte sich diese Technologie allerdings nicht durchsetzen.
Following the end of World War II, the United States military invested a great deal of money in the development of new hardware offering tactical advantages on future battlefields. One of the concepts which the Army Transportation Research Command evaluated was the 1960 Curtiss-Wright Model 2500 Air Car. This 21-foot-long, 8-foot-wide, 5-foot-tall contraption was everything that Luke Skywalker’s landspeeder would promise 17 years later—stylish driving without the burden of wheels.
https://youtu.be/ZErjlBnnEBg
(Direktlink, via Nag on the lake)