Circle K's Fuel Day is back, giving Inner Circle members 40 cents off per gallon of gas. Here's when to fill up and how to ...

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 how to get the deal.

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

To participate, customers must download the Circle K app, sign up, and start earning entries with each visit. Here’s how it works: Customers receive 10 entries for every four qualifying visits ...

You can enroll in the program online, on the Circle K app, at checkout at a Circle K location, or scan the QR code at the gas pump. To save, enter the phone number associated with the account ...

which is free to join by downloading the Circle K app and creating an account. Additionally, Circle K is hosting "The Big Circle K Giveaway," where participants can enter through the app or online ...