• Must meet the high standards of the TOP TIER™ Diesel Fuel Performance Standard 
  
• Stations must prominently display the TOP TIER™ logo at the dispenser. NOTE: Not all stations of a licensed brand may be selling TOP TIER™ Diesel Fuel. Find more information here.
  
• Reduces Injector Deposits
  
• Increases Lubricity
  
• Improves Fuel Stability
  
• Cleaner Diesel Fuel
  

Co-op (Canada - select locations only)

Costco Wholesale (USA, Canada - select locations only)

Fast Stop (USA - select locations only)

Fast Stop Express (USA - select locations only)

Kirkland Signature (USA, Canada - select locations only)