Top Tier gasoline contains more effective detergents than federally required, which helps clean fuel injectors and reduce harmful carbon deposits inside the engine. Clogged fuel injectors and ...

TOP TIER™ gas is gasoline (and also diesel fuel when applicable) that has been certified to meet specific performance standards. A group of automakers — Volkswagen, Toyota, Honda, General ...

Your owner’s manual probably recommends Top Tier gas by name, but even if it doesn ... Top Tier isn’t the only thing you want to look for as a sign that some fuel is better than others.

L.S., Manchester, Connecticut A: I stand corrected. Citgo is Top Tier. Some gas stations dispense unbranded gasoline even though the sign beside the road may be that of a well-known brand.

If you've ever noticed a sticker marked "TOP TIER" with a green logo when you're at the pump, that's a sign you're buying enhanced gas. You'll find it at Costco, but the warehouse giant isn't the ...

Shell reportedly offers multiple types of top-tier gasoline. This includes its regular ... we’ll break it down for you in one daily email. Sign up for the Daily Dot’s web_crawlr newsletter ...

WHEN CHOOSING WHERE TO FILL UP NEXT, WE RECOMMEND TOP TIER GAS. JEFF BARTLETT WORKS AT CONSUMER REPORTS AUTO TEST CENTER, WHERE THEY BUY TESTS AND RATE MORE THAN 50 CARS, TRUCKS AND SUVS EVERY YEAR.

There is plain old regular, and then there is regular gasoline that meets a higher standard, known as “Top Tier.” The difference between the two is significant, based on an extensive study ...

ATLANTA — The search for cheap gasoline this holiday travel season will involve a balance between price and quality. AAA estimates that 3.6 million holiday travelers will fill Georgia highways ...