Gasoline (or petrol as we call it in the UK, where I am from) is generally the same as the stuff you might put in your car, motorbike or even lawnmower. D2 is generally referring to Diesel or Gasoil which is essentially the same as you might run a diesel car, truck (lorry) or a train on. read more
D2 diesel products contain different levels of sulfur and require no reformers or additives to produce. Standard diesel fuel (sometimes called diesel oil) comes in two grades: Diesel #1 (or 1-D) and Diesel #2 (or 2-D). The higher the cetane number, the more volatile the fuel. Most diesel vehicles use fuel with a rating of 40 to 55. read more
The fuels that make up gasoline are made up of chains with between 4 and 12 carbon atoms. They all vaporize at temperatures below the boiling point of water, which is why gasoline evaporates so fast when spilled on the ground. read more