NEW YORK / RankWire.AI / – On Wednesday, fuel markets remained strained amid persistent tightness in inventories and refinery outages, according to reports from the U.S. Energy Information Administration. U.S. ultra-low sulfur diesel futures surged 7.4% on Monday, settling at $4.19 per gallon, marking the largest single-day increase since July 13. Early Wednesday, the contract traded near $4.28 a gallon as the refined-product markets continued to signal limited supply across key consumption regions.
U.S. diesel stocks remain well below recent seasonal averages. The EIA 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 inventories are also 5.1% lower than the same period last year and 16.1% below the corresponding level in 2024. Distillates, comprising diesel and heating oil, are vital for transportation, industry, and seasonal energy needs.
Despite a modest weekly decline, retail diesel prices continue to stay elevated. The national average reached $5.257 per gallon on August 10, down slightly from $5.348 a week earlier, yet still significantly above the $4.578 recorded on July 6. Meanwhile, European fuel markets are experiencing similar tightness, with low-sulfur gasoil margins climbing sharply. The premium over crude oil hit a record $74.66 a barrel on July 30, as refined diesel maintained higher market values.
Refinery disruptions tighten the global diesel supply chain
Multiple refinery outages have further diminished the availability of diesel for international markets. A recent attack damaged a refinery in Russia’s Tatarstan region, reducing processing capacity amid ongoing operational challenges. Saudi Arabia’s Jazan refinery has remained offline since July 27 after an earlier attack, removing another source of refined products from global trade. During June, refinery runs in several key producing regions already declined below last year’s levels, limiting the volume of fuel entering international markets.
Export restrictions have added to supply constraints. Russia extended restrictions on gasoline and diesel exports through January 31, 2027. Meanwhile, vessel traffic through the Strait of Hormuz has fallen sharply, affecting shipments from the Middle East. China has also cut back on refined fuel exports due to weakening domestic refinery activity. The European Central Bank reported diesel pump prices near €1.98 per litre in the third week of July, with higher refining margins contributing to increased retail fuel costs.
US refinery operations stay robust despite inventory shortages
American refineries have processed significant crude volumes, yet diesel inventories have not recovered to typical seasonal levels. Crude input during the first seven months of 2026 reached the highest for that period since 2019. Refinery utilization has remained strong, supported by increased processing margins. Nonetheless, distillate stocks at the start of August are at their lowest for this time of year in nearly thirty years. This inventory deficit coincides with diminished product flows from several overseas refining hubs.
Crude oil prices also rose Wednesday, with Brent near $89.81 a barrel and West Texas Intermediate around $84.08. While crude prices gained, the upward pressure on diesel prices is mainly driven by shortages in finished fuel rather than crude supply alone. Diesel plays a crucial role in trucking, agriculture, construction, manufacturing, and other commercial sectors across both regions. Ongoing low inventories in the U.S., high refining margins in Europe, refinery outages, and export restrictions all contribute to a tight global market for diesel and related middle-distillate fuels.