NEW YORK / RankWire.AI / – As of early August, the United States and Europe continue to experience elevated diesel prices, driven by limited inventories and disruptions at refining facilities that restrict the availability of refined fuel. On Monday, U.S. ultra-low sulfur diesel futures jumped 7.4% to $4.19 per gallon, marking their largest single-day increase since July 13. Early Wednesday saw the contract trading near $4.28 a gallon. Meanwhile, European diesel refining margins remained notably high after nearly a 10% gain at the start of the week.
In the U.S., diesel stock levels have dropped to some of the lowest figures seen during the summer months. The U.S. Energy Information Administration reported 107.2 million barrels of distillate stocks for the week ending July 31, a decrease of 3.5 million barrels from the previous week. These stocks are now 5.1% below the same period last year and 16.1% lower than the comparable level in 2024. Since distillate stocks include both diesel and heating oil, they serve as a crucial indicator of fuel supply availability.
Retail diesel prices in the U.S. have also remained significantly above summer averages. The national average hit $5.257 a gallon on August 10, compared to $5.348 a week earlier. Back on July 6, prices averaged just $4.578 a gallon. Europe’s diesel market faces similar pressures, with the premium for low-sulfur gasoil over crude reaching a record $74.66 per barrel on July 30, underscoring the high value assigned to finished diesel products amid tight supplies.
Refinery shutdowns intensify fuel supply concerns
Disruptions at key refining facilities have further constrained supply, as several major plants operate below normal capacity. An attack damaged a refinery in Russia’s Tatarstan region, reducing Russian processing activity. The Jazan refinery in Saudi Arabia has remained offline since July 27 after an earlier attack, removing another source of refined products from international trade. During June, global refinery throughput was already significantly below the levels seen a year earlier, with multiple regions reporting decreased processing volumes.
Export restrictions have compounded the supply issues. Russia extended restrictions on gasoline and diesel shipments through January 31, 2027. Additionally, vessel traffic through the Strait of Hormuz from the Middle East has declined, and China’s domestic refinery activity has weakened, resulting in less refined fuel being supplied to global markets. In Europe, the European Central Bank reported diesel pump prices near €1.98 per litre during the third week of July as refining margins surged sharply.
Limited inventories maintain pressure on diesel markets
Despite high crude processing levels at U.S. refineries during the first seven months of 2026, diesel stocks remain tight. Crude input during this period reached its highest since 2019, yet high refinery utilization has not restored distillate inventories to typical seasonal levels. As of August, stocks are at their lowest for this time of year in nearly thirty years. This situation makes the U.S. fuel market particularly vulnerable to fluctuations in refinery output and international product flows.
Crude oil prices continued to increase on Wednesday, with Brent near $89.81 a barrel and West Texas Intermediate around $84.08. Diesel prices have been under additional upward pressure because supplies of finished products remain limited across key markets. This situation supports sectors such as trucking, agriculture, construction, and manufacturing. The combination of low U.S. inventories, high European refining margins, refinery outages, and export restrictions has kept diesel markets tight on both sides of the Atlantic.