How does a gas pump know when to shut off?

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(WHTM) — Pumping gas is something drivers always have to do, and it truly can be considered a necessary evil for many, especially with prices always going up and down at the gas station. But, have you ever wondered while pumping gas into your car just how that pump works and how it knows to […]
(WHTM) — Pumping gas is something drivers always have to do, and it truly can be considered a necessary evil for many, especially with prices always going up and down at the gas station. But, have you ever wondered while pumping gas into your car just how that pump works and how it knows to […]