Origional info seems to come from Shell, the petroleum company. More
information can be found at http://www.cfs.purdue.edu/extension/pdf/gaspump-handout-long.pd
The key point is "don't re-enter the car during refueling".
Note that touching the body of the car may not release the static as most of
them are plastic, so are the tires. You'll have to touch some well grounded
metal piece.
