Nationwide diesel averages reached $5.34 a gallon in late July 2026, driven by Middle East conflicts that severely restrict shipping through the Strait of Hormuz and refinery disruptions in Russia. Trucking operators report squeezed profit margins and soaring operating expenses as fuel costs climb toward historic records. Strait of Hormuz Restrictions and Global Refinery Losses Drive Market Volatility
Strait of Hormuz Restrictions and Global Refinery Losses Drive Market Volatility
Consumers across the United States faced steep fuel costs through the end of July as protracted geopolitical conflicts strained international energy shipments. The conflict in Iran, which entered its sixth month, severely restricted commercial traffic through the Strait of Hormuz. International energy pressures intensified further due to successful Ukrainian drone attacks that damaged Russian refineries, alongside decreased output from Chinese refineries. The International Energy Agency noted that global observed oil stocks declined by 3.8 million barrels per day on average since the war began, featuring a notable monthly draw of 143 mb (-4.6 mb/d) in May, according to preliminary data. Both Brent Crude and West Texas Intermediate benchmarks recorded monthly gains of around 20% in July, reflecting tightening supplies across global markets. National Diesel Averages Nare Record Highs While Regional Pumps Tell the Story
U.S. Energy Information Administration Reports Diesel Averages at $5.34 Per Gallon
Domestic diesel prices climbed to a national average of $5.34 per gallon in the final week of July, marking the second-highest average recorded by the U.S. Energy Information Administration. The figure sits approximately 50 cents below the American Automobile Association’s all-time record, notched four years ago at $5.816. Meanwhile, The Drive reported nationwide averages reaching $5.62 per gallon, with industry analysts warning that prices could soon retest historic peaks. Regional variations show similar upward pressure. In Springfield, Missouri, diesel averaged $5.25 a gallon, approaching the local record of $5.30 set in June 2022, Ozarks First reported using data from the American Automobile Association. In Texas, diesel reached $5.37 per gallon earlier in the month, according to AAA. Around the same time last year, the average price of diesel fuel hovered around $3.32 a gallon according to AAA. Gasoline prices have experienced parallel increases. AAA reported that a gallon of regular gas averaged $4.08 in the U.S., reaching its highest point in four years. Patrick De Haan of GasBuddy noted that consumers have only seen the $4-a-gallon average reached nationally for 157 days, going back to 2009. GasBuddy projects that pump prices will likely range between $4.25 and $4.45 a gallon, while diesel prices could climb to $6.05 a gallon to set a new record. Commercial Fleet Operators and Logistics Providers Face Immediate Profit Squeeze
Mike Njenga Describes Operational Strain at Penny’s Trucking Academy
The dramatic surge in fuel prices has severely impacted commercial transport and logistics companies across the nation. At Penny’s Trucking Academy in North Texas, Director of Operations Mike Njenga described the operational strain. The last month has been crazy for us,
Njenga said. Where we were paying diesel at maybe $3.50, now it’s gone all the way to $5. So, which means at this point we’re not making money.
The company operates 20 trucks hauling nonperishable goods across the country, running close to the break-even point. Before the U.S. war with Iran began, filling a single truck cost about $600; that same fill-up now costs closer to $900, representing an increase of roughly $300 each time. Individual truck drivers report similar financial pressures at the pump. Arshewp Singh, a truck driver with nearly 15 years of experience, shared his perspective at a regional fuel station. That's the biggest expense into my pocket right now is the diesel,
Singh said. The prices go up every time I swipe my card. My pocket is losing every time I'm filling up.
He added, Trucking used to be the gold standard of America. It's the backbone of American industry. If you shut down trucking today, I would say the whole of America would be shut down.
Singh expressed hope that prices might stabilize before the end of the presidential term, noting, We got best president in the White House. He did a lot for trucking. I hope we get in better shape before he leaves the Oval Office.
Another driver, Anthony P., noted that while he uses a company card and does not feel the impact as directly, he cannot help but notice the rising costs. Broader Economic Ripple Effects and Inflationary Concerns
Matt Smith of Kpler Points Out Macroeconomic Vulnerability
Industry experts warn that soaring diesel expenses will inevitably trigger broader economic consequences. Matt Smith, an oil analyst with Kpler, pointed out the macroeconomic vulnerability. The diesel side of the picture, we’re seeing prices there pushing closer to $6 a gallon,
Smith said. That’s going to have a ripple-through effect on inflation. All of our groceries that move around the country are moved by diesel trucks, and that will be reflected in those prices.
The International Energy Agency forecasts that fuel prices will continue to rise before any recovery occurs. According to the agency’s recent monthly report, Despite the significant reductions in demand for crude oil and refined products, the buffers in the system continue to erode at a record pace.
The agency cautions that further declines in the coming months could drive global oil stocks to historic lows before the market balance shifts to surplus toward the end of the year.