This source puts it at 86% as fuel: https://www.eia.gov/energyexplained/oil-and-petroleum-products/ https://www.eia.gov/energyexplained/oil-and-petroleum-produ

This source puts it at 86% as fuel: https://www.eia.gov/energyexplained/oil-and-petroleum-products/ https://www.eia.gov/energyexplained/oil-and-petroleum-produc... Not sure why the discrepancy.