[Rodent_in_NY]

You mean those fuel injected cars with electric fuel pumps installed in the tank, with wiring connections exposed to the vapors?

[Steve Van Doorn]

"The accepted argument does not hold water."

I agree. If cars where blowing up on the highway by the hundreds because they where setting in the parking lot for a few hours then maybe I would believe it.

You mean those fuel injected cars with electric fuel pumps installed in the tank, with wiring connections exposed to the vapors?

Yes, such as many new high performance cars today and most boats.