US gas prices edge up again as US-Iran tensions heighten over strait of Hormuz

Diesel tops $5 a gallon as regular gas reaches almost $4, nearly a dollar and a quarter more than a year ago

• https://www.theguardian.com/world/live/2026/jul/16/iran-us-donald-trump-war-strait-hormuz-oil-israel-lebanon-latest-news-updates">Middle East crisis live – latest updates

The average price of diesel fuel in the US has increased again to more than $5 a gallon, https://gasprices.aaa.com/">according to the AAA, and the average price of gas is almost $4, returning to their highs before the June memorandum of understanding between the US and https://www.theguardian.com/world/iran">Iran.

It’s a reminder to consumers and truckers of the costs of the Iran war and the unpredictable rhetoric from both Washington and Tehran.

A year ago today, the AAA says, the average price for a gallon of diesel was $3.72, almost a dollar and a quarter less than it is now.