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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.
Chevron and QuikTrip were first, [29] followed that same year by 76 Stations, Conoco, Phillips 66, Road Ranger, Kwik Trip/Kwik Star, Shell, and MFA Oil Company. Since then, many more gasoline distributors have met the proprietary standard and TOP TIER gasoline can now be found in gas stations all over the U.S. and Canada. [30] [31]
Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U.S. market, that are selected by Wards AutoWorld magazine. The list was started in 1994 for model year 1995, and has been drawn every year since then, published at the end of the preceding year.
Try This: How To Get $340 Per Year in Cash Back on Gas and Other Things You Already Buy. Notably, ... “Low-quality gas affects performance; high-octane fuel is essential for optimal acceleration ...
The news of EPA gasoline regulations hit oil refiners hard ... really hard. Almost all of the major refiners have seen a share price decline by over 10% in the past couple of days. Obviously, the ...
Gas stations have gasoline with different octane ratings. Higher numbers indicate that the fuel can better avoid unintended combustions within the cylinders of the engine. Due to its name, the chemical "octane" is often misunderstood as the only substance that determines the octane rating (or octane number) of a fuel.
According to the U.S. Energy Information Administration, Americans had to spend only 4% of their pre-tax income on gasoline for their cars in 2012 -- a sum that hasn't increased since seven years ago.
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.