● Petroleum also is known as crude oil or simply oil is a fossil fuel.

● Petroleum is mainly composed of hydrocarbons.

● It was formed by the degradation of bio-mass millions of years ago and it is a non-renewable resource which can be exhausted.

● Other substances derived from crude petroleum are:

Gasoline 46%

Diesel 20%

Kerosene 8%

Propane 7%

Petrochemical 2%

Petroleum coke 2%