What is Petroleum industry?
The '''petroleum industry''' includes the global processes of [[Hydrocarbon exploration|exploration]], [[Oil well|extraction]], [[Oil refinery|refining]], transporting (often by [[oil tanker]]s and [[pipeline]]s), and marketing [[petroleum product]]s. The largest volume products of the industry are [[fuel oil]] and [[gasoline]] (petrol). {{stub}} [[Category:Petroleum|Industry]] [[Category:Industries]]