Crude oil means a mixture of hydrocarbons that exists in liquid phase in natural underground reservoirs and remains liquid at atmospheric pressure after passing through surface separating facilities.
EN 590 Gas Oil is a 10 ppm (parts per million) sulphur content gas oil. It has a higher cetane number than A2 Class Gas Oil (another 10ppm sulphur content class of red diesel), making it better suited to internal combustion engines in off-road vehicles.
Aviation kerosene, also known as QAV, is the fuel that fuels airplanes and helicopters equipped with jet turbines, turboprops or turbo-fans. Its main use is in commercial air transport.