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TOP TIER TriCLEAN® Gasoline FAQ

What is Triclean Gasoline?

TriCLEAN gasoline is an enhanced, custom-blended fuel that includes nitrogen-cleaning agents to keep vital engine parts clean for a smoother running engine. With continuous use, TriCLEAN gasoline:

  • Meets or exceeds Environmental Protection Agency (EPA) requirements.
  • Maintains intake valve cleanliness to avoid hesitation and poor drivability.
  • Maintains fuel injector cleanliness to avoid rough idle, poor drivability, loss of power and increased emissions.
  • Prevents performance-robbing valve deposits as compared to inferior gasoline.
  • Maximizes mileage while minimizing exhaust emissions.

The performance TriCLEAN gasoline provides is consistent at any CITGO location. CITGO gasoline is custom-blended and tailored for diverse regions.

Why is it called TriCLEAN?

We call our enhanced quality gasoline TriCLEAN, because with continuous use it:

  1. Cleans fuel injectors.
  2. Cleans intake valves.
  3. Lowers emissions.

What is TOP TIER gasoline?

TOP TIER gasoline is a stringent standard for gasoline detergent additive performance set forth by some of the world’s top automakers. It surpasses the existing standards set forth by the EPA. Learn more here.

Are all grades of CITGO TriCLEAN gasoline TOP TIER?

Yes. The TOP TIER designation identifies a standard of detergent additives, unrelated to octane levels. All three grades of TriCLEAN gasoline are TOP TIER.

Good Gas. Guaranteed.

Every drop of every gallon of CITGO® TriCLEAN® gasoline is TOP TIER™ and guaranteed for quality and reliability. All three grades surpass the Environmental Protection Agency’s (EPA) requirements  and are formulated for the special requirements of today’s engines. GOODGAS.GUARANTEED@CITGO.COM.