Russia’s top oil producer Rosneft is negotiating to swap its collateral in Venezuelan-owned, U.S.-based refiner Citgo for oilfield stakes and a fuel supply deal – a move to avoid complications from U.S. sanctions, two sources with knowledge of the negotiations told Reuters. State-owned Rosneft holds a 49.9 percent stake in Citgo as collateral for a loan last year of about $1.5 billion to the OPEC nation, which is reeling from low oil prices and a severe recession. The arrangement with Venezuela’s state-owned oil firm, PDVSA, has drawn fire from U.S. senators who do not want Russia in a position to own a substantial stake of U.S.-based energy assets in potential violation of existing economic sanctions. The negotiations took on more urgency this week, one of the sources told Reuters, when U.S. President Donald Trump threatened to impose “strong economic actions” on Venezuela unless embattled leftist President […]