There are 3 types of motor oil or engine oil used for the lubrication of engine. Engine oil is the most vital and essential one for an engine to function properly. The three types in general are mineral oil - derived from petroleum based products, fully synthetic - completely artificial and synthesized in labs. semi-synthetic- a blend of synthetic and mineral oil in definite proportions.
Generally an engine oil has many benefits like lubricating the engine, carries away the heat produced during operation, reduces friction, wear and tear of the internal components and keeping the engine clean, free from sludge combustion and carbon deposits.