Can you use a walmart in store credit card at a walmart gas station
You can use a Wal-Mart in store credit card at a Wal-Mart gas station and get a discount at the pump. Check out http://www.walmart.com/cp/Credit-Cards/632402.
Kathbug is right. You will save money on gas doing it that way.
Also, at Sam's Club & their gas stations, too.