The retailer accepts the 10-4 by WEX mobile app at more than 60% of its locations that offer high-flow diesel.

Circle K rewards members in Arizona and Nevada will be able to save up to 40 cents on gas on Tuesday. Here's what to know and ...

Use gas rewards programs. Circle K Easy Pay, grocery store discount programs, or using a GasBuddy gas savings card are some of the most popular options. Fry's Food Store customers can redeem ...