Cheap gasoline, typically expiring.

Some sort of mysterious hydrocarbon fuel that may or may not run an engine. God knows what it's made of or how old it is. Often found in the fuel tanks of broken lawnmowers and abandoned trucks.

A rare type of possibly expired diesel fuel, the origins of which are unknown. Typically found in shitty old Fords in Albertan oilfields.

When you pee and it tastes like wine.