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Top Tier Detergent Gasoline and Top Tier Diesel Fuel are performance specifications and trademarks designed and supported by several automakers. [1] BMW , General Motors , Fiat Chrysler Automobiles , Ford , Acura / Honda , Toyota , Volkswagen , Mercedes-Benz , Navistar , Audi , and Volvo support the gasoline standard, while General Motors ...
TOP TIER gas is also designed to clean your engine and help your vehicle run like new. If you fill up at Costco often enough, you may find that it helps prolong the life of your vehicle and/or ...
Additionally, Costco offers what’s known as Top Tier gas, while Sam’s Club does not, according to Verify. Per Consumer Reports, Top Tier gas is better for your engine, which can save you money ...
The "Top Tier" rating exceeds the United States Environmental Protection Agency's standards for gasoline additives. [2] QuikTrip was ranked as one of the 100 Best Companies to Work For. In January 2006, QT ranked No. 21, ninth among companies classified as "mid-size". In 2008, QT was ranked No. 27 on Fortune's Top 100 list. [3]
Most states do not mandate certain standard gasoline grade octane ratings.In the United States and Canada, octane ratings are in AKI, commonly shown as "(R+M)/2".All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance.
“Gasoline at Sam’s Club is generally cheaper, but Costco offers top-tier gas that Sam’s Club does not. If you do a lot of driving, such as commuting long distances or taking long driving ...
Gasoline, as delivered at the pump, also contains additives to reduce internal engine carbon buildups, improve combustion and allow easier starting in cold climates. High levels of detergent can be found in Top Tier Detergent Gasolines. The specification for Top Tier Detergent Gasolines was developed by four automakers: GM, Honda, Toyota, and BMW.
High gas prices aren't going away soon, but if you're paying extra for premium, you probably can save the money. And don't even think about midgrade.