TOP TIER™ Gasoline Sponsors

TOP TIER™ Detergent Gasoline is the optimal standard for gasoline detergency. Ten of the world's top automakers, BMW, General Motors, Fiat Chrysler Automobiles, Ford, Honda, Toyota, Volkswagen, Mercedes-Benz, Navistar, and Audi recognize that the current EPA minimum detergent requirements do not go far enough to ensure optimal engine cleaning performance.