Diesel prices reached a record high of $5.85 per gallon on Friday, surpassing the previous record of $5.816 set in June 2022. ^[1] The national average price for gasoline is expected to reach $4.03 per gallon on Labor Day, exceeding the previous record of $3.83 set in 2012. ^[2] High diesel prices have cost American consumers approximately $44 billion since the war with Iran began in late February, according to data from the Climate Solutions Lab at Brown University. ^[3] Three of the world's four major refining centers are currently disrupted: the Middle East due to conflict damage, Russia due to war with Ukraine and export bans, and China due to export restrictions. ^[4] Tom Clouse, Senior Energy Advisor at Gulf Oil, warned on X that the US faces a potential 'diesel crisis' driven by commercial inventory levels at historic lows. ^[5] GasBuddy analyst Patrick De Haan stated that Americans could see a national average price of gasoline above $4 per gallon on Labor Day for the first time ever. ^[6] On Thursday, the nationwide average stood at roughly $4.13 per gallon, which is up by almost a dollar compared to the same period last year. ^[7] President Donald Trump stated on August 14 that Americans should be prepared to pay a 'tiny little bit more' for gasoline to prevent Iran from obtaining a nuclear weapon. ^[8]