EnergiShale’s new era spells higher oil pricesConsolidation has reshaped the US energy industry – and its role in global markets.A gas flare burns past a pump jack in the Permian Basin area of Loving County, Texas, U.S., on Monday, Dec. 17, 2018. Once the shining star of the oil business, gasoline has turned into such a drag on profits that U.S. refiners could be forced to slow production in response. Photographer: Angus Mordant/BloombergFoto: Angus Mordant/BloombergMyles McCormick (FT)