In the early 1960's, Porsche commercially manufactured farm tractors.
24
There are only 14 blimps in the world.
69
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Whale oil was used in automobile transmissions as late as 1973.
56
Originally, BMW was an airplane engine manufacturer.
69