Question: is arco gasoline top tier?
Answer: It's not. Most major brands meet Top Tier standards. These include 76, ARCO, Chevron, Exxon, Mobil, Phillips 66, Shell and Texaco. However, there are also many lesser-known brands that meet Top Tier standards, including Break Time, Costco, Fast Fuel, Holiday, Kwik Star, QuikTrip, Ranger Stallion and Valero.