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.

That’s why you’ll mostly find fuel tanks on the right side of these cars. But wherever the carmaker puts the tank, it has to make that decision early.

“If you’re in the U.S., it is more likely that the gas door is on the right side of the car, opposite the driver, than on the driver’s side.” However, there’s a reason why all cars don ...