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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 ...
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.
Fuel additives in the United States are regulated under section 211 of the Clean Air Act (as amended in January 1995). The Environmental Protection Agency (EPA) requires the registration of all fuel additives which are commercially distributed for use in highway motor vehicles in the United States, [8] and may require testing and ban harmful additives.
To help you in your search for the top fuel sipper, Edmunds’ car experts highlighted five of their highest-ranking hybrids in a variety of prices and body styles.
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]
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A tier list is a concept originating in video game culture where playable characters or other in-game elements are subjectively ranked by their respective viability as part of a list. Characters listed high on a tier list of a specific game are considered to be powerful characters compared to lower-scoring characters, and are therefore more ...
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.