According to Clearview Energy Partners, Russian crude prices over the last four weeks have averaged about six cents below the Brent crude price. Record volumes of sanctioned Russian oil were carried by the "dark fleet" and known sanctioned tankers without known insurance over September, according to a recent report from Lloyd's List. The Price Cap Coalition continues to engage with industry to ensure compliance with the price cap and to increase Putin's costs of going outside it." The increased use of dark fleet vessels comes with greater maritime safety and environmental risks. Insurance giant Allianz said in May that dark fleet tankers had been linked to more than 50 accidents.

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Persons: Kevin Book, Vortexa, Avebury, Andy Lipow, Putin, Lipow Organizations: Windward, Clearview Energy Partners, CNBC, European Union, Brent, Intelligence, Iranian Tanker Co, U.S . Office, Foreign, Control, Lipow Oil Associates, Treasury, Kremlin, Coalition, Group, Insurance, Allianz Locations: Morocco, U.S, Ukraine, Australia, India, China, Russian, Barbados, Seychelles, UAE, Avebury Shipmanagement . Greece, Russia, United States, Iran, Israel, Straits, Hormuz, Canada, Guyana