TOP TIER™ Diesel & Fleet Sponsors

TOP TIER™ Diesel Fuel is the optimal fuel standard for diesel engine cleanliness performance. Similar to TOP TIER™ Detergent Gasoline, TOP TIER™ Diesel Fuel was introduced as a standard with performance and quality criteria defined by automotive and equipment manufacturers. This standard was only recently introduced and has been received with enthusiasm by OEMs and many diesel fuel retailers. Current OEM sponsors include General Motors, Volkswagen, Detroit Diesel, and Navistar.

If you own or operate a fleet and want to utilize the TOP TIER™ Diesel Fuel Performance Standard to specify fuel purchases, please contact us to receive additional information.