Crude Oil is trading at $91.65 (-3.13%) as renewed U.S.-Iran negotiations raise hopes for a phased truce and reopening of the Strait of Hormuz. - A reopened route could ease fears of prolonged global supply disruption, prompting traders to unwind geopolitical risk premiums. - Concerns about a potential U.S. diesel-export ban remain a market influence, though the White House denied related rumors.