A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Whale oil was used in automobile transmissions as late as 1973.
56
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Originally, BMW was an airplane engine manufacturer.
69
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43