The G-7, alongside the European Union and Australia, decided late last year to impose a cap of $60 a barrel on Russian oil in an effort to ratchet up the pressure on Moscow. As part of the agreement, they said they would review this cap in mid-March.However, despite calls from some countries in Europe, the threshold was not revised and is not expected to be updated in the coming weeks.G-7 nations have so far decided not to revise their cap on Russian oil.Anton Petrus | Moment | Getty ImagesThe Group...