In the past 30 years, United States has bought crude oil from 80 countries, that is more than 91Â billion barrels of oil. The EIA began carefully tracking American oil imports in 1986, meaning there is now a significant amount of
In the past 30 years, United States has bought crude oil from 80 countries, that is more than 91Â billion barrels of oil. The EIA began carefully tracking American oil imports in 1986, meaning there is now a significant amount of
