VW / Porsche engine A 1954 VW-Porsche Escher Kleinbahn Prototyp Prototyp in the in Hamburg. These Were Little trains built from 1954 to 1971 and were used in parks and botanical gardens. It pulled three cars which had space for 90 passengers.
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.
1941 DAF, one person city car - nicknamed 'The Raincoat '('Regenjas'). from what I understand; DAF - a British & a Dutch company both operating under the same name of DAF at the same time - I'm not sure which this vehicle is attributed to.