I would think a lot of times there is more than 15 feet. The tanks are usually pretty far away from the pumps. I guess buying gas at the pump closest to the tanks would cut down on the volume.
Never thought of that before.
When you buy premium gas and the previous customer pumped regular, how much regular do you figure is left in the lines? I usually pump a gallon or two in my
vehicle first.
I guess if you are buying 5 gallons at a crack it wouldn't matter as much.
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