WhooHooo!! Gas Coupons!! *HURRY* over to Murphy USA Facebook page HERE and click on the “Fuel Murphy Up” tab on the left hand side. Fill out your info and they will email you a coupon for a FREE Sweet Leaf Tea OR a 20 oz. Dr. Pepper! They will also be emailing you GAS COUPONS depending on the number of “Likes” they get! You can get up to a $2 off $10 Gas Coupon!