The US and its allies have discussed trying to cap the price on Russian oil between $40 and about $60 a barrel, according to people familiar with the matter.
Allies have been exploring several ways to limit Russia’s oil revenues while minimizing the impact on their own economies in discussions that began in the run-up to the Group of Seven summit.
At the summit in Germany on June 28 leaders agreed to explore options to cap prices by banning insurance and transportation services needed to ship Russian crude and petroleum products unless the oil is purchased below an agreed price. ...