National average price for diesel hits new record high amid Iran conflict

Published September 4, 2026 6:08am EDT The previous highest recorded national average price for diesel was set in June 2022, according to AAA The average price for diesel has reached a new record of $5.85 as of Sept. 4, surpassing the prior high of $5.8159 set back in June 2022, according to AAA. The AAA national average for diesel increased from $5.7832 on Thursday to $5.85 on Friday.The month-ago average was $5.3715 and the year-ago average was significantly lower at just $3.7121. TRUMP ANNOUNCES ‘BIGGEST OIL DEAL IN WORLD HISTORY,’ SAYS IT WILL SUBSTANTIALLY LOWER GAS PRICES A diesel fuel pump sits in a cradle at a gas station in Princeton, Illinois, on Wednesday, Sept. 23, 2015. (Daniel Acker/Bloomberg via Getty Images / Getty Images)"Diesel prices have skyrocketed since Trump started his war with Iran," Democratic Sen. Mark Kelly of Arizona declared in a Thursday post on X."Diesel fuels our supply chains and powers our farms and food production. Even if you don’t use diesel, those higher costs get passed on to you, making the food on your table more expensive," he added.FORGET GASOLINE: THIS OVERLOOKED FUEL COULD RAISE THE PRICE OF NEARLY EVERYTHING YOU BUY Truckers with semi trucks park in a rest area in Buttonwillow, Calif., June 26, 2026. (Smith Collection/Gado/Getty Images / Getty Images)Fox News Digital reached out to the White House on Friday.Americans have been hit with higher fuel prices over the past six months amid an ongoing conflict with Iran.VENEZUELA SAYS TRUMP'S HISTORIC OIL DEAL TARGETS 1.5M BARRELS PER DAY, COULD GENERATE $200B A customer uses a fuel pump nozzle to fill a passenger car's tank at a retail gas station in Santaquin, Utah, on Aug. 31, 2026. (Charles-McClintock Wilson/NurPhoto via Getty Images)CLICK HERE TO GET FOX BUSINESS ON THE GOAs of Friday, the AAA national average price for regular fuel is $4.1474, compared to the year-ago average of $3.2016. The highest recorded AAA national average price for regular gas was set in June 2022 when Americans paid $5.0165 per gallon.