Sunoco has approximately 4,700 retail gasoline stations in 26 states. For more than 120 years, Sunoco has provided quality products and services. It has been the "Official Fuel of NASCAR" since 2004. It provides gasoline to more than 400 race tracks in the United States. In addition to high quality gasoline, Congressional Plaza Sunoco has a convenience store. Grab a snack, beverage or candy while you are filling up.