September 21-11, world crude oil prices continued falling deep down the record low levels within 10 years due to the Us dropped the ban on oil exports.So last week the u.s. Congress dropped a ban on export of oil exist throughout the past 40 years. In addition, crude oil production in the United States are on the increase. And yet, OPEC and Russia continues to maintain oil output despite declining prices.
đang được dịch, vui lòng đợi..