In addition, TriCLEAN gasoline meets or exceeds applicable U.S. Environmental Protection Agency (EPA) and American Society for Testing & Materials (ASTM) specification requirements. "We are committed to offering reliable, quality fuels that are guaranteed to meet automobile performance needs," said Velasquez.

CITGO Introduces TriCLEAN™ Gasoline with More Nitrogen Cleaning Agents.

We know quality fuels are important to you, and you have our assurance that all three grades of our CITGO TriCLEAN® gasoline are TOP TIER™, surpassing the existing standards set by the EPA.

Venezuelan Headquartered in the Energy Corridor area of Houston, it is majority-owned by PDVSA, a state-owned company of the Venezuelan government (although due to U.S. sanctions in 2019, they no longer economically benefit from Citgo). 1910 in Bartlesville, Oklahoma, U.S. Houston, Texas, U.S. Petróleos de Venezuela, S.A.

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

Regardless of whether your car calls for regular or premium, the best choice for ongoing performance and economy is a TOP TIER gasoline. Recent AAA testing found TOP TIER gasolines keep internal engine components up to 19 times cleaner than gasolines that only meet minimum EPA standards.

For daily driving I'd buy the Shell Nitro because it's got the better detergents. If I was heading to the track or a competition event I'd be buying the Citgo to get the performance bump. The Citgo will also give you slightly better mpg.

For daily driving I'd buy the Shell Nitro because it's got the better detergents. If I was heading to the track or a competition event I'd be buying the Citgo to get the performance bump. The Citgo will also give you slightly better mpg.

You'll know you're filling up with the good stuff if you spot a small green sticker on the pump that says “TOP TIER Detergent Gasoline.” As of early 2022, the following stations sold Top Tier gasoline in the U.S.: 76, ARCO, Aloha, Beacon, Breakaway, CITGO, Cenex, Chevron, Conoco, Costco Wholesale, CountryMark, ...

CITGO became wholly owned by Petróleos de Venezuela (PDVSA) That same year, the former Champlin Refinery in Corpus Christi, Texas, became a part of the company's refining network.

CITGO Holding, Inc. is the sole stockholder of CITGO Petroleum Corp. Petróleos de Venezuela (PDVSA), the Venezuelan state oil company, owns 100% of the stock of PDV Holding.

Premium. Premium is the highest-octane fuel you can buy and has levels of 91-94. Even though some companies market their different grades of gas with names such as “Super Premium,” “Ultra,” or “Ultimate,” they all refer to the gasoline octane rating.

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.

You'll know you're filling up with the good stuff if you spot a small green sticker on the pump that says “TOP TIER Detergent Gasoline.” As of early 2022, the following stations sold Top Tier gasoline in the U.S.: 76, ARCO, Aloha, Beacon, Breakaway, CITGO, Cenex, Chevron, Conoco, Costco Wholesale, CountryMark, ...

You'll know you're filling up with the good stuff if you spot a small green sticker on the pump that says “TOP TIER Detergent Gasoline.” As of early 2022, the following stations sold Top Tier gasoline in the U.S.: 76, ARCO, Aloha, Beacon, Breakaway, CITGO, Cenex, Chevron, Conoco, Costco Wholesale, CountryMark, ...

Customer satisfaction

• Chevron. See at Chevron.
• Mobil. See at Mobil.
• Shell. See at Shell.
• Marathon. See at Marathon.
• Exxon. See at Exxon.
• Sinclair. See at Sinclair.
• See at 76. Spot the iconic orange ball of a 76 gas station, and you're in good hands.
• Arco. See at Arco.