A Petroleos de Venezuela (PDV), a subsidiary of PDVSA, gas station stands in Caracas, Venezuela, on Friday, Jan. 6, 2017. Two U.S. businessmen pleaded guilty to bribery charges for their roles in trying to win contracts from Petroleos de Venezuela SA, as part of a larger, ongoing U.S. investigation into corruption at the state-owned energy company. Photographer: Wil Riera/Bloomberg via Getty Images