Diesel and various grades of gasoline (Octane 91, 95 and 98) are supplied at the filling stations to serve all types of vehicles.

You see crude oil is the raw material for petrol and from it, various derivatives are extracted. The finer and refined the derivative, the better the quality and efficiency of the fuel. So from crude oil there are various stages of refining extraction done that results in so many varieties of fuels with higher Octane ratings.

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