The American Automobile Association (AAA) reported that the average US diesel price reached $5.85 per gallon, an all-time high, up from $3.71 a year ago, with Washington state averaging $6.81 per gallon, and that average petrol prices reached $4.15 per gallon, up from $3.20. ^[1] The price of diesel in the United States reached its highest level since April during the initial phase of the conflict between the United States and Iran. ^[2] Interim Venezuela President Delcy Rodríguez said the agreement announced on Saturday calls for development of 17 strategic oil fields with a proven potential of 65 billion barrels, and an investment of more than $100 billion and more than $209 billion in taxes for Venezuela. ^[3] Iran has effectively closed the Strait of Hormuz, a narrow waterway through which a fifth of the world's oil is transported, limiting oil supplies. ^[4] US President Donald Trump pledged to 'substantially lower Gas Prices for all Americans' through an oil deal with Venezuela. ^[5] Prior to the record on 2026-09-04, US retail diesel prices had risen to their highest level since mid-2022, with the average cost reaching $5.783 per gallon. ^[6]