US diesel prices hit a record high of $5.85 on average as the Iran war disrupts the flow of fuel — Live Feedhttps://www.live-feeds.com/feed/us-diesel-prices-hit-a-record-high-of-5-85-on-average-as-the-iran-war-disrupts-the-flow-of-fuelContinuously updated, source-cited coverage. U.S. Diesel Prices Hit Record Average of $5.85 per Gallonhttps://www.live-feeds.com/feed/us-diesel-prices-hit-a-record-high-of-5-85-on-average-as-the-iran-war-disrupts-the-flow-of-fuelhttps://www.live-feeds.com/feed/us-diesel-prices-hit-a-record-high-of-5-85-on-average-as-the-iran-war-disrupts-the-flow-of-fuel#u57780Sat, 05 Sep 2026 04:57:25 +0000U.S. diesel prices reached an all-time average high of $5.85 per gallon on Friday. This price surge follows six months of war with Iran and ongoing conflict in Ukraine, both of which have restricted the global fuel supply. The price spike is creating astronomical costs for farmers in the United States and United Kingdom and is increasing transportation expenses for a wide variety of goods.Why it mattersDiesel is a critical fuel for agriculture and freight transport. Supply disruptions from major oil-producing regions typically trigger price volatility across global markets.What is confirmedU.S