Clean Air Council - Happy #AirQualityAwarenessWeek! You may not be filling your tank very often, but when you do, don't top off your gas tank! Spillage from topping off your gas tank
![Chad Livengood on X: "I've never seen a sign like this on a gas pump making a rational, economic and environmental case for not topping off the gas tank to squeeze a Chad Livengood on X: "I've never seen a sign like this on a gas pump making a rational, economic and environmental case for not topping off the gas tank to squeeze a](https://pbs.twimg.com/media/EpHvej4XMAQs559.jpg:large)
Chad Livengood on X: "I've never seen a sign like this on a gas pump making a rational, economic and environmental case for not topping off the gas tank to squeeze a
Is there any harm topping off your gas tank, almost to overflow? It's nice to be able to go longer between fill-ups. - Quora
![Close-up of gas pump fuel hose in gas tank of a car during refueling, with text reading Do Not Top Off and portion of wheel visible, San Ramon, California, December 12, 2019 Close-up of gas pump fuel hose in gas tank of a car during refueling, with text reading Do Not Top Off and portion of wheel visible, San Ramon, California, December 12, 2019](https://c8.alamy.com/comp/2AMGKAJ/close-up-of-gas-pump-fuel-hose-in-gas-tank-of-a-car-during-refueling-with-text-reading-do-not-top-off-and-portion-of-wheel-visible-san-ramon-california-december-12-2019-2AMGKAJ.jpg)