<h1>Venezuela's acting president urges foreign investment in state oil, vows oil revenue for public services while asserting sovereignty.</h1> Acting President Delcy Rodri guez announced opening the state-run oil industry to greater foreign investment, urged diplomats to promote a new policy to investors, and framed oil revenue as funding for health services and infrastructure, while asserting national interests and relying on a constitutional provision allowing the vice president to serve as acting president for renewable 90-day periods.