Keeping this much gas in the tank can help prevent damage and extend the life of your car. The post This Is How Much Gas You ...

Some people like to top off the gas tank while filling up their car. Consumer Reports fills you in on whether adding that extra bit of fuel can actually damage your car.

If you've been topping off your tank it's time to put down the handle. This expert shows the damage you can do if you overfill your gas tank.

He said that when your gas tank is completely filled, “it will actually work as coolant and keep this fuel pump cool.” But an empty tank, he said, risks “burning” up.

Filling up your car's gas tank should be a no-brainer activity, on par with brushing your teeth or tying your shoes. But pulling up to the pump can be a hassle if you don't know which side the gas ...