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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. Mississippi: 87 89 93 Missouri: 87 89 91/93
High octane value inhibits the fuel's tendency to burn nearly instantaneously (known as detonation or knock) at high compression/high heat conditions. However, in engines that utilize compression rather than spark ignition, by means of very high compression ratios (14–25:1), such as the diesel engine or Bourke engine , high octane fuel is not ...
E15 is a higher octane fuel, it is currently available in 29 states at retail fueling stations. E15 was approved for use in model year 2001 and newer cars, light-duty trucks, medium-duty passenger vehicles (SUVs), and all flex-fuel vehicles (FFVs) by the U.S. Environmental Protection Agency (EPA) in 2012.
The State of New York banned the use of MTBE as a "fuel additive", effective in 2004. [6] MTBE use is still legal in the state for other industrial uses. [29] The federal Energy Policy Act of 2005 removed the oxygenate requirement for reformulated gasoline and established a renewable fuel standard. [30]
The fuel-characteristics of a particular gasoline-blend, which will resist igniting too early are measured as the octane rating of the fuel blend. Gasoline blends with stable octane ratings are produced in several fuel-grades for various types of motors. A low octane rated fuel may cause engine knocking and reduced efficiency in reciprocating ...
The T.B. Simon Power Plant is a multi-fuel cogeneration facility located on the campus of Michigan State University in East Lansing, Michigan, United States.The Simon Power Plant is the principal provider of electricity and district heating to the 50,000-student main campus.
If the engine is designed for high octane then higher octane fuel will result in higher efficiency and performance under certain load and mixture conditions. Main article: Battery electric vehicle Battery-electric vehicles use around 20kWh of energy for 100km of travel (equivalent to 3 miles/kWh), about 4 times less than a fossil fuel car.
High percentage ethanol mixtures are used in some racing engine applications as the very high octane rating of ethanol is compatible with very high compression ratios. 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 ...