However, branded cards don't offer rewards on purchases at other gas retailers. (creditcards.com)
If your gas card is not a part of a network, you won't be able to use it anywhere besides the issuing gas retailer. (creditcards.com)
If you shop exclusively at one particular gas retailer, the savings can be even higher, since store - specific credit cards tend to provide consumers with the highest rewards rate. (valuepenguin.com)