Why is it cheaper to completely fill your tank in one go than to fill it in small increments over a long period of time?

Question

I don’t know if it’s true but it’s what I have been told by a few different people.

In: Economics

Answer 1

It won’t make any difference at the pump, but you’ll waste a lot of gas and time constantly pulling into and out of gas stations. In this regard, I’d say it’s true.