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Just saw this while getting gas. Why is it illegal to get less than 4 gallons? (lemmy.world)

submitted 6 months ago by FlyingSquid to c/asklemmy

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[–] [email protected] 38 points 6 months ago

There's actually a really good explanation for this.

This is a mixing pump. It mixes ethanol into the fuel. Because the mixing happens before the part of the pump that measures how much is being dispensed, you need at least a few gallons to fully flush things out and get somewhere close to what you're actually buying.

Nobody is going to come arrest you if you buy 2 gallons of gas. But the gas you get me not be the mix you wanted.