Petroleum History Most of the petrol used today has migrated in one country to another. It's the largest single item in the International market and the Petroleum industry is one of the major industries on the planet. Petroleum is a fossil energy since it was made from the remains of small sea crops and pets or animals that died an incredible number of years ago. When the plants and animals died, they sank to underneath of the oceans. They were buried a large number of toes below..