Top Tier

TOP TIER™ Gasoline and Diesel Fuel Programs

TOP TIER™ Detergent Gasoline and TOP TIER™ Diesel Fuel are premier fuel standards sponsored by automakers and diesel engine manufacturers. Fuel marketers and retailers of any size can join the programs and then promote the benefits of TOP TIER™ fuel to your customers.

Please view our introductory presentation from PMAA’s Fall Meeting at the NACS Show Board of Directors Meeting on Tuesday, October 17, 2017.


The TOP TIER™ programs are managed by:
The Center For Quality Assurance Inc. (CQA)
4800 James Savage Road
Midland, Michigan 48642
Phone: (989) 496-2399
FAX: (989) 496-3438