Welcome to Shealys CITGO, your local CITGO Little Mountain, South Carolina! All three grades of CITGO TriCLEAN gasoline are designed to keep fuel injectors and intake valves clean while minimizing emissions. When you visit our convenience store, to fuel up, grab a snack, a hot cup of coffee, some groceries, and your breakfast, lunch or dinner, you are walking into a locally owned and operated business. Looking for great deals on gas or goods? Download the Club CITGO mobile app, our fuel rewards program, and start saving today!Pay at the Pump.