PoliticsUS imposes sweeping new sanctions on Russia's oil industryTreasury Department targets oil producers, services providers, traders and ‘shadow fleet’US Treasury Secretary Janet Yellen speaks during a visit to the Financial Crimes Enforcement Network (FinCEN) in Vienna, Va., on 8 January 2024.Photo: AP/SCANPIXRobert StewartNorth America Energy CorrespondentBaton Rouge