CNBC | Venezuela state oil firm's credit woes spread to US unit Citgo CNBC Washington's recent sanctions against Venezuelan state-run oil company PDVSA have started to ensnare its U.S. unit, Citgo Petroleum, making it harder for the refiner to obtain the credit it needs to purchase crude, according to six traders and banking ... Venezuela Suspends Trade In US Dollars Venezuela Stops Accepting Dollars for Oil Payments Following US Sanctions Venezuela ditches dollar for oil payments to dodge US penalties |