US diesel prices hit a record high of $5.85 on average as the Iran war disrupts the flow of fuel

US diesel prices reached a record average of $5.85 per gallon on Friday, driven by fuel flow disruptions resulting from the Iran war. This surge is increasing costs for businesses across multiple sectors. Some companies have already passed these expenses to consumers via added fees on mail packages and online orders. The price hike reflects significant market volatility as the conflict continues to impact the availability and cost of fuel throughout the United States.