US Diesel Averages $5.85 a Gallon as Supply Concerns Mount

Diesel prices in the United States reached a new record average of $5.85 per gallon on Friday, surpassing the previous peak set after Russia's invasion of Ukraine, according to data from the American Automobile Association. The sharp increase comes six months into the conflict between the United States, Israel and Iran, which has disrupted global oil flows through the closure of the Strait of Hormuz.

The fuel is primarily used in commercial transport, including trucks, trains, buses, farm equipment and construction vehicles. Higher diesel costs therefore raise expenses across freight networks, farming and delivery services. Industry analysts note that these added expenses often reach consumers through higher prices for groceries, especially perishable items that rely on frequent refrigerated transport, as well as fees added to online orders and packages.

Regular gasoline prices have also climbed, though more slowly, reaching an average of $4.15 per gallon compared with $3.20 a year earlier. Before the conflict began in late February, diesel averaged about $3.76 per gallon nationally. The rapid rise reflects higher wholesale crude oil costs tied directly to the fighting and resulting supply constraints.

President Donald Trump has responded by announcing an oil development agreement with Venezuela intended to increase production and ease price pressures. The deal, revealed Saturday, covers 17 strategic fields with an estimated 65 billion barrels of reserves and includes commitments for more than $100 billion in investment along with $209 billion in projected tax revenue for Venezuela. Under the arrangement, the United States would hold 55 percent control of a joint venture with a private operator. The announcement follows the seizure of former Venezuelan leader Nicolás Maduro by U.S. special forces earlier this year.

Some energy analysts have expressed caution about whether the agreement can deliver results quickly enough to offset current shortages. Venezuela's oil sector has long faced challenges from underinvestment, infrastructure decay and political instability that have discouraged foreign capital. Those structural barriers remain in place despite the new framework.

The price surge carries broader economic effects. Businesses in multiple sectors report rising operational costs that, over time, tend to appear in retail prices for clothing, household goods and other items moved by diesel-powered transport. Farmers face elevated expenses for equipment and distribution, which can influence food costs further down the line.

With midterm elections scheduled for November, the economic strain is likely to remain a central issue for voters. Surveys have consistently shown that household budgets and inflation rank among the top concerns heading into the contests. The continued elevation in fuel prices adds to those pressures at a moment when many families are already managing higher costs for food and transportation.

Administration officials have framed the Venezuela agreement as a long-term step toward greater energy supply stability. Yet the timeline for new production to reach markets remains uncertain, and experts point out that even successful development would not immediately reverse the effects of the Strait of Hormuz disruption. In the interim, the costs continue to accumulate across supply chains that connect distant producers to American consumers.