In the early 1960's, Porsche commercially manufactured farm tractors.
24
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Castor oil is used as a lubricant in jet planes.
-5
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
The ball on top of a flagpole is called a 'truck'.
24