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 ...

If you've got a fuel tank, you need to put a lid on it, right? Wrong. A number of cars across several brands now come without gas caps. Here's why.

Refueling cars is a standard procedure, but not every car has its gas cap on the same side, with some on the left, some on the right. There's a good reason why.