Valero is North America’s largest independent petroleum refiner and marketer as well as one of the United States’ fastest growing fuel brands with nearly 5,800 branded outlets. Valero offers several card rewards programs. The Valero Consumer Credit Card offers up to 8¢ off per gallon at Valero stations every month. It also offers a fleet credit card program that allow fleet drivers to save up to 8¢ per gallon at Valero stations.