The Trump administration authorized early sale of winter gasoline to ease fuel-cost increases and supply concerns tied to the Iran war, the U.S. EPA said Thursday. EPA relaxed summer gasoline standards, allowing the higher-emission winter blend to be used earlier than the usual mid-September switch and permitting sale of gasoline with 10% ethanol from Sept. 1. The government said the waiver will effectively end summer-formula requirements early, could boost U.S. gasoline supply by several hundre

The Trump administration authorized early sale of winter gasoline to ease fuel-cost increases and supply concerns tied to the Iran war, the U.S. EPA said Thursday. EPA relaxed summer gasoline standards, allowing the higher-emission winter blend to be used earlier than the usual mid-September switch and permitting sale of gasoline with 10% ethanol from Sept. 1. The government said the waiver will effectively end summer-formula requirements early, could boost U.S. gasoline supply by several hundred thousand barrels per day and should help relieve pump-price pressure.