You can save up to $100 a year at the pump if you choose the right gas rewards credit card. 00:09 Speaker A There are three basic choices. Cashback credit cards earn a percentage on what you charge.

Most people treat a gas station pump like a vending machine for fuel — you drive up, swipe or insert your card, fill your tank, and drive off. But in that 90-second transaction, your debit or credit ...