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![](https://lemmy.world/pictrs/image/44bf11eb-4336-40eb-9778-e96fc5223124.png)
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.
The eagle does not look entirely satisfied with its transportation arrangements…