In the refining process, Crude oil is converted into transportation fuels — gasoline, jet fuel, and diesel fuel; and other petroleum products, such as liquefied petroleum gas (LPG), heating fuel, lubricating oil, wax, and asphalt.
High-gravity crude oils contain more of the lighter products needed for the production of transportation fuels, and generally have lower sulfur content. Modern refining processes can also convert low-gravity crude oils into lighter products, at an added expense of more complex processing equipment, more processing steps, and more energy.
Diesel or diesel fuel is a specific fractional distillate that is used as fuel in diesel engines.
Diesel is produced from crude oil, and is sometimes called petro-diesel when there is a need to distinguish it from diesel obtained from other sources such as biodiesel. It is a hydrocarbon mixture, obtained in the fractional distillation of crude oil between 200 °C and 350 °C at atmospheric pressure.
Various types of Diesel Fuels available:
– Ultra Low Sulphur Diesel: Includes Euro-5 and Euro-6 Diesel fuels, which have a sulphur content lower than 50ppm
– Low Sulphur Diesel, such as D2
– High Sulphur Diesel