One of the most confusing aspects of refueling, other than some new cars not having gas caps at all, is the inconsistency of the fuel door placement. They are either on the left or right side of the ...

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 ...

On the scale of all the things that annoy you about car ownership, the actual act of refueling your car probably isn't high on the list, and twisting off the gas cap isn't on it at all. Well, except ...