No, 'distillate' is not the same as diesel fuel. It is more like kerosene and is used in engines that have spark plugs for ignition rather than high compression to ignite the (injected) fuel. Distillate engines often have a small gasoline tank so they will start col on gasoline and you switch it to distillate after it warms up.
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Diesel is made by refining crude oil. It's a non-renewable, fossil fuel.
1. Can be made in much greater output plants 2. Steam plants can use a variety of fuel sources including nuclear fuel, whilst diesel fuel is more expensive and best reserved for transport use.
Petroleum distillates are products made from crude oil. The process of taking crude oil and creating finished products is called distillation. The first step of the refining process is running crude oil through a distillation tower. At this time crude oil is separated into different basic products which then undergo further process at the refinery to create products that are sold to consumers. There are three classes of distillate products: Light: Liquid Petroleum Gas(LPG), gasoline, and naptha. Medium: Kerosene (and jet fuel) and diesel. Heavy/Residuum: Heavy fuel/bunker fuel, wax, and asphalt.
One barrel (42 gallons) of crude oil, when refined, yields approximately 19.6 gallons of finished motor gasoline. The remainder of the barrel yields distillate fuel oil, residual fuel oil, jet fuel, and other products.
The Diesel Index indicates the ignition quality of the fuel. It is found to correlate, approximately, to the cetane number of commercial fuels. It is obtained by the following equation