US diesel prices surpass $6 a gallon for first time as oil hits highest since May

US diesel prices surpass $6 a gallon for first time as oil hits highest since May The US national average price of diesel on Thursday surpassed $6 a gallon for the first time ever, according to price tracker GasBuddy, as the US-Israeli war on Iran and Ukrainian attacks on Russia’s refineries have squeezed supply. The latest surge in fuel costs is adding to inflationary pressures that have already strained consumers and businesses this year, creating a political headache for President Donald Trump and Republican law