Explained: What and how much you get from 1 litre of crude oil – Petrol, diesel and kerosene

Crude oil cannot be used directly and must go through refining. At refineries, it is separated into petrol, diesel, kerosene ...

Here's how motor oil is made

Oil is, as we all know, drilled from the ground, but it turns out the oil in your car is a little bit more complicated than ...