The call to lift the 40 - year - old ban on most US crude oil exports continued at the IHS CeraWeek conference in Houston on Tuesday as three big tight oil producers denounced the policy as a failed relic from a bygone era. John Hess, chief executive of Hess Corp., noted that the US government and its allies may soon approve the lifting of sanctions on Iran's exports of crude oil and said that the US must now lift its own self - imposed restrictions.
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