A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Sony researchers have developed a refrigerator that only opens when you smile.
9
Energy is being wasted if a toaster is left plugged in after use.
21
Kleenex tissues were originally used as filters in gas masks.
46
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20