Opec greases the wheels of US shale boom

Among many bold promises made on the presidential campaign trail, Donald Trump pledged to unleash an “energy revolution” that would release vast riches from America’s shale oil reserves. It is doubtful that he expected Saudi Arabia to do the job for him. Yet, since the Saudi-led Opec cartel agreed to cut oil production in November, the US shale industry has been boosted to levels not seen since 2014. -- More...