Several months after the US Treasury Department imposed sanctions, almost every Russian oil tanker that has been subject to restrictions remains idle and empty, Bloomberg reports. According to the agency, the effectiveness of the sanctions has demonstrated that the United States can destroy the oil supply chain from Russia if Washington so desires. 40 tankers involved in the oil trade in Russia were subject to restrictions due to a violation of the price limit. However, only one of these ships, the Primorye, has collected its cargo after the sanctions were imposed. If it manages to unload the …