Diesel Efficient now available at 11 more cardlocks in Alberta, Manitoba, and Saskatchewan. Learn more here.
Cardlock network news: 9212 108 St, Grande Prairie, AB is now open | 1140 Finch Ave W, Toronto, ON, is now open | 200 1st Ave, Dead Man’s Flats is now open | 10862 Steeles Ave East, Milton, ON has closed. | All other travel centres and cardlocks are open
What it means for your fleet:
- Access to 160+ Esso Commercial Cardlock™ locations across Canada and 9,000+ non-Esso US truck stops
- Discounted pricing at our growing network of Esso cardlocks and travel centres across Canada, and at participating TA®, Petro® and TA Express® travel centers in the US
- UltraONE® Driver Rewards program eligibility at participating TA®, Petro® and TA Express® travel centers in the US
- 24/7 customer support
- A simple way to manage purchases and save on fuel
- In addition to the Esso Key to the Highway card, all Esso Commercial Cardlock™ locations now accept Tchek, Comdata, and EFS fleet cards to help you keep moving.

*Applies to Diesel Efficient fuel compared to diesel fuel without detergent additive. Vehicle testing showed an average fuel economy improvement of 2%. Actual benefits will vary depending on factors such as vehicle/engine type, driving style and diesel fuel previously used. Concentration and availability of our proprietary additive package may vary based upon factors beyond our control.
© Copyright 2003-2025 Imperial Oil Limited. Esso, Esso Commercial Cardlock and Key to the Highway are trademarks of Imperial Oil Limited. Imperial Oil, licensee. Diesel Efficient is a trademark or registered trademark of Exxon Mobil Corporation or one of its subsidiaries. Imperial Oil, licensee. Other trademarks shown are property of their respective owners.