The OPEC+ oil cartel is facing its biggest crisis since a price war at the start of the coronavirus pandemic. The United Arab Emirates, the group’s fourth-biggest producer, argued against a deal proposed by Saudi Arabia and Russia to extend quota limits until the end of next year, rather than ending them in April as originally planned. The UAE agreed with the other 22 OPEC+ members that monthly output cuts should be eased by 400,000 barrels a day from August, but said the extension should be treated separately. The group normally settles its differences in private and likes to put on a show of unity. But this rift runs so deep that the energy ministers of the UAE and Saudi Arabia aired their grievances in interviews with Bloomberg Television and other media on Sunday. The Organization of Petroleum Exporting Countries and its allies were meant to reconvene on Monday […]