In the early 1960's, Porsche commercially manufactured farm tractors.
24
The life boat was patented in 1845!
29
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The cigarette lighter was invented before the match.
210
Whale oil was used in automobile transmissions as late as 1973.
56
Castor oil is used as a lubricant in jet planes.
-5
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12