Enjoy exclusive member deals and rewards at Earnheart Oil with this FREE mobile app! Download the Earnheart Rewards app today and instantly begin earning points for purchases in store and at the pump. Since 1971, Oklahomans have counted on Earnheart Oil, Inc. for their fuel delivery needs. That’s why you can trust the Earnheart Oil team to fulfill your fuel transport and gas delivery requirements with responsibility and professionalism every day. How it works: • Use your cell phone number as