The gas cap is one part of your vehicle that we bet you don’t give much thought to in spite of how often you use it. The thing is, a gas cap does a lot more than simply close off your vehicle’s filler ...

Most of us grew up with gas caps. Getting your driver's license and learning how to pump gas is a rite of passage for many in the U.S. — and a big part of that is twisting off the gas cap or at least ...