Crude oil is the world’s main source of fuel and largest overall source of primary energy. In 2020, the world used approximately 88.6 million barrels per day of oil, which amounted to 30.1% of the world's primary energy. Crude oil creates gasoline, jet fuel, diesel, asphalt, tar, and lubrication oils. "Oil reserves" is an estimate of the amount of not-yet-mined crude oil located in a particular country that can be recovered with current technology and at a cost that is financially feasible ...
