U.S. diesel prices have risen to a new high, surpassing the previous record reached in 2022. The increase is linked to the war in Iran, which has pushed costs above that earlier peak.
WHO:U.S. diesel market
WHAT:Diesel prices in the United States climbed to a new record high, exceeding the 2022 peak.
WHEN:Reported Sep 4, 2026 at 7:06 AM ET
WHERE:USA
WHY:The article attributes the price rise to the war in Iran.