all you experts can have a peek here for the time being. I will post back this eve after the rain starts and add a little more enlightenment on the subject.
Our aluminum gasoline auxiliary fuel tanks for gas are built to meet and exceed Title 49 CFR 393.65 for fuel tanks. The all aluminum .125" thick HD fuel tank was specifically designed for gasoline.
Gasoline Tank Toolbox Combo
Gasoline Tank Toolbox Combo
Rectangle Gasoline Tanks
Rectangle Gasoline Tanks
That company even sells kits for transferring the gas to the filler neck. :S