Have you ever wondered why older cars often had their gas caps hidden behind the license plates? This design choice might seem peculiar to modern car enthusiasts, but it was once a common feature in ...

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 ...

Gas tank caps: They play an important part in your car's fuel system, even setting off a check engine light on the dashboard if they go missing or aren't screwed on correctly after refueling. Yet ...