Russia’s export revenue from crude and fuels dipped in September again as a slump in refined product shipments couldn’t offset an increase in crude oil exports, data from the International Energy Agency (IEA) showed on Tuesday. Russian revenues from crude and petroleum products declined to $13.35 billion in September from $13.58 billion in August, per the agency’s estimates in its monthly report. “Persistent attacks on Russian energy infrastructure have cut Russian crude processing by an estimated 500 kb/d, resulting…