An oil tanker moored at the Sheskharis complex, part of Chernomortransneft JSC, a subsidiary of Transneft, in Novorossiysk, Russia. AP
An oil tanker moored at the Sheskharis complex, part of Chernomortransneft JSC, a subsidiary of Transneft, in Novorossiysk, Russia. AP

Old tanker sales grow amid Russian crude sanctions