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  2. Common ethanol fuel mixtures - Wikipedia

    en.wikipedia.org/wiki/Common_ethanol_fuel_mixtures

    E10, a fuel mixture of 10% anhydrous ethanol and 90% gasoline sometimes called gasohol, can be used in the internal combustion engines of most modern automobiles and light-duty vehicles without need for any modification on the engine or fuel system. E10 blends are typically rated as being 2 to 3 octane numbers higher than regular gasoline and ...

  3. Octane rating - Wikipedia

    en.wikipedia.org/wiki/Octane_rating

    In some rural areas it can be difficult to find fuel with over 95 RON. In backward provinces and regions, only ethanol gasoline containing 10% ethanol is allowed to be sold:92E10,95E10 and 98E10,Some gas pumps use the labels "E92, E95 and E98", but they still represent E10 ethanol gasoline of 92 RON, 95 RON and 98 RON.

  4. Ethanol fuel - Wikipedia

    en.wikipedia.org/wiki/Ethanol_fuel

    The fraction of water that an ethanol-gasoline fuel can contain without phase separation increases with the percentage of ethanol. [29] For example, E30 can have up to about 2% water. If there is more than about 71% ethanol, the remainder can be any proportion of water or gasoline and phase separation does not occur.

  5. Ethanol fuel in the United States - Wikipedia

    en.wikipedia.org/wiki/Ethanol_fuel_in_the_United...

    However, the fuel systems of cars, trucks, and motorcycles sold before the ethanol mandate may suffer substantial damage from the use of 10% ethanol blends. Flexible-fuel cars, trucks, and minivans use gasoline/ethanol blends ranging from pure gasoline up to 85% ethanol . By early 2013 there were around 11 million E85-capable vehicles on U.S ...

  6. List of U.S. states by standard octane ratings - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_by...

    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 ...

  7. E85 - Wikipedia

    en.wikipedia.org/wiki/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]

  8. Gasoline gallon equivalent - Wikipedia

    en.wikipedia.org/wiki/Gasoline_gallon_equivalent

    A diesel cycle engine can be as much as 40% to 50% efficient at converting fuel into work, [2] where a typical automotive gasoline engine's efficiency is about 25% to 30%. [3] [4] In general, an engine is designed to run on a single fuel source and substituting one fuel for another may affect the thermal efficiency.

  9. Fuel efficiency - Wikipedia

    en.wikipedia.org/wiki/Fuel_efficiency

    The displayed fuel economy is 18.1 km/L (5.5 L/100 km; 43 mpg ‑US). A Briggs and Stratton Flyer from 1916. Originally an experiment in creating a fuel-saving automobile in the United States, the vehicle weighed only 135 lb (61.2 kg) and was an adaptation of a small gasoline engine originally designed to power a bicycle. [12]