TOKYO -- The "second shale revolution" in the U.S. will change the current picture of the world oil market, whose sole determinant is OPEC+, led by Saudi Arabia and Russia, energy expert Daniel Yergin says.
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Daniel Yergin: Shale 'revolution' to challenge Saudis, Russia on oil
Underinvesting in conventional energy may trigger crisis again, warns IHS Markit vice chairman
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