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  2. Cetane improver - Wikipedia

    en.wikipedia.org/wiki/Cetane_improver

    The cetane number is a key property of diesel fuel, as it measures its aptitude to self-ignite in the combustion chamber. [8] The auto ignition temperature of diesel fuel is around 220 °C (428 °F) at atmospheric pressure. Cetane improver additives are used to decrease this temperature and lead to quicker combustion, by increasing the cetane ...

  3. Winter diesel fuel - Wikipedia

    en.wikipedia.org/wiki/Winter_diesel_fuel

    In North America, gas stations offer two types of diesel fuel – according to ASTM D975 [5] these are named No. 1 and No. 2 fuel. No. 1 fuel (similar to kerosene) has a natural CFPP of -40 °C but it is more expensive than No. 2 fuel. Adding No. 1 fuel will lower the CFPP of No. 2 fuel – adding 10% will lower the CFPP temperature by about 5 ...

  4. Ultra-low-sulfur diesel - Wikipedia

    en.wikipedia.org/wiki/Ultra-low-sulfur_diesel

    Railroad locomotive and marine diesel fuel moved to 500 ppm sulfur in 2007, and changed to ULSD in 2012. There were exemptions for small refiners of non-road, locomotive and marine diesel fuel that allowed for 500 ppm diesel to remain in the system until 2014. After December 1, 2014 all highway, non-road, locomotive and marine diesel fuel is ULSD.

  5. Cetane index - Wikipedia

    en.wikipedia.org/wiki/Cetane_index

    Cetane index is used as a substitute for the cetane number of diesel fuel. The cetane index is calculated based on the fuel's density and distillation range (ASTM D86). There are two methods used, ASTM D976 and D4737. The older D976, or "two-variable equation" is outdated and should no longer be used for cetane number estimation.

  6. Diesel fuel - Wikipedia

    en.wikipedia.org/wiki/Diesel_fuel

    Due to the higher density, diesel fuel offers a higher volumetric energy density: the density of EN 590 diesel fuel is defined as 0.820 to 0.845 kg/L (6.84 to 7.05 lb/US gal) at 15 °C (59 °F), about 9.0-13.9% more than EN 228 gasoline (petrol)'s 0.720–0.775 kg/L (6.01–6.47 lb/US gal) at 15 °C, which should be put into consideration when ...

  7. List of gasoline additives - Wikipedia

    en.wikipedia.org/wiki/List_of_gasoline_additives

    Fuel additives in general Ether and other flammable hydrocarbons have been used extensively as starting fluid for many difficult-to-start engines, especially diesel engines; Nitromethane, or "nitro", is a high-performance racing fuel; Acetone is a vaporization additive, mainly used with methanol racing fuel

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