On: How does a gas pump know to shut itself off? (1981)

[perl4ever]

People take the possibility very seriously with aircraft, so I inferred that it's a real, but rare, problem.

[maxerickson → perl4ever]

It's pretty much gone away as a problem for cars, there's been design changes to vehicle fuel tanks, and the use of ethanol as an oxygenate means that water doesn't really build up over time (the ethanol allows the water to mix into the fuel; 'dry gas' is often just a jug of alcohol)