Price of diesel in U.S. hits record as Vance downplays Iran war impact

9m ago Diesel hits an all-time high as U.S. gas prices surge ahead of Labor Day weekend U.S. gas prices surged ahead of Labor Day weekend, with diesel hitting a record of $5.85 a gallon Friday, eclipsing its prior mark of $5.81, set in June 2022.The AAA has predicted that travelers will face the highest pump prices on record for the holiday weekend as the ongoing war with Iran keeps traffic through the vital shipping lanes of the Strait of Hormuz severely impinged, pushing up global oil prices. The national average for regular gasoline reached almost $4.15 a gallon Friday, up about 6 cents from a week earlier, according to AAA data. Gas prices have never topped $4 per gallon on Labor Day, the motor club noted."Even though gasoline demand decreases this time of year, typically bringing down gas prices, this year is different due to the high cost of crude oil," AAA said in a report. A man refuels a truck with diesel at a truck stop in Commerce, California, Aug. 26, 2026. Patrick T. Fallon/AFP/Getty After climbing steadily for about a week, since hostilities between the U.S. and Iran resumed, the price of international benchmark Brent crude has plateaued over the last several days at ...