Karl Schlör and his invention, the incredibly aerodynamic 1939 Schlörwagen Pillbug. The car achieved an impressive drag coefficient (Cd) of unbelievably low even for today. Due to the start of WWII this car was not produced, and the only one made
1967 Ford Electric Car — Gizmag writes that it had a top speed of 40 mph and a range of 40 miles. At the time, the president of Ford told the New York Times that "cars like the Comuta could be available in five to 10 years.
1933 Dymaxion car(if it has 3 wheels it is considered a motorcycle, right)I've NEVER seen one of these and I thought I had seen everything on wheels at least once. This car was designed by Buckminster Fuller - engineering genius.