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91 without ethanol 93 with ethanol Premium gas must be at least 93 octane if it contains 10% or more of ethanol Maryland: 87 89 93 Massachusetts: 87 89 93 Michigan: 87 89 93 85 and 86 octane may be sold if labeled as subregular [6] Minnesota: 87 89 91 110 octane fuel may be available at certain locations in southern parts of the state ...
REC-90 is an ethanol-free, 90 octane unleaded gasoline blend designed for use in recreational/marine engines which can be damaged by the ethanol found in other gasoline blends. It is also usable in some aviation engines [ 1] and automotive engines, though it has not been thoroughly tested for cars and trucks. Unlike most stations in the plains ...
In order to be certified as Top Tier, a gasoline must pass a series of performance tests that demonstrate specified levels of: 1) deposit control on intake valves; 2) deposit control on fuel injectors; 3) deposit control on combustion chambers; 4) prevention of intake-valve sticking. [ 4] Gasoline marketers agree when they sign on to Top Tier ...
Ethanol fuel mixtures have "E" numbers which describe the percentage of ethanol fuel in the mixture by volume, for example, E85 is 85% anhydrous ethanol and 15% gasoline. Low-ethanol blends are typically from E5 to E25, although internationally the most common use of the term refers to the E10 blend. Blends of E10 or less are used in more than ...
May 30, 2024 at 6:08 AM. By Leah Douglas and Jarrett Renshaw. (Reuters) - Little to no ethanol will qualify for U.S. sustainable aviation fuel (SAF) subsidies under a new pilot program by ...
E85. E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume . In the United States, the exact ratio of fuel ethanol to hydrocarbon may vary according to ASTM 5798 that specifies the allowable ethanol content in E85 as ranging from 51% to 83%. [ 1] This is due to ...
Most gasoline sold across the country today is blended with 10% ethanol, though 15% blends are becoming increasingly common, especially in the Midwest. The EPA has approved sales of E15 for cars ...
Octane rating. An octane rating, or octane number, is a standard measure of a fuel 's ability to withstand compression in an internal combustion engine without causing engine knocking. The higher the octane number, the more compression the fuel can withstand before detonating. Octane rating does not relate directly to the power output or the ...