From what I remember from my days as a convenience store clerk, they always told us that gasoline
would attack the plastic (it's too thin, and not designed for this purpose.)
I never experimented with it, so this is just hearsay... I know that they make very small (½ gallon or so) container. Is this too small for your needs?
I also saw an add (late night TV) for a $29.95 container that was about the size of a small cereal box that contained a gas-like substance that you were supposed to be able to carry around in the back of your car forever.
Update: The product was
Spare Tank $19.95 for a gallon.
-Trevor
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Mk 2, Green 12GB 080000349
Edited by trevorp on 28/9/00 04:13 PM.