http://www.eia.gov/energyexplained/index.cfm?page=oil_use 87 million barrels of oil per day 87 million barrels of oil per day http://www.eia.gov/energyexplained/index.cfm?page=oil_use http://www.eia.gov/energyexplained/index.cfm?page=oil_use 2011 average 87 million barrels of oil per day