Whale oil was used in automobile transmissions as late as 1973.
56
Castor oil is used as a lubricant in jet planes.
-5
Jumbo jets use 4,000 gallons of fuel to take off.
19
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20



