Diesel Export Threat Lifts Fuel Risk as Brent Trades Near $100

A record premium for European diesel, not a fresh crude shortage, was the market’s sharpest signal Wednesday. Brent crude rose 1.16% to $100.40 a barrel by 11:43 GMT, while U.S. West Texas Intermediate gained 0.42% to $90.90. The gains came after President Donald Trump said Tuesday he backed the idea of restricting U.S. diesel exports, a move analysts warn could squeeze overseas supplies.

European low-sulphur gasoil’s premium over Brent reached about $95 a barrel, Reuters reported, as traders weighed the risk that a major supplier could pull fuel from the international market. Europe has leaned more heavily on U.S. diesel and jet-fuel imports after the U.S.-Israeli war with Iran disrupted Middle Eastern supplies. A ban could redirect fuel toward U.S. buyers at first, but it would leave importers abroad scrambling for alternatives.

The scale of that exposure is substantial. The United States exported a record 1.6 million barrels of diesel a day in August, up from roughly 1 million in February, according to Kpler data cited by Reuters. Meanwhile, U.S. on-road diesel inventories stood at 96.97 million barrels, nearly 13% below their five-year seasonal average, even as domestic refiners ran at about 97% of capacity.

An export restriction might briefly ease domestic prices by keeping more supply at home. But refiners could respond to lost export outlets by processing less crude, which would also reduce gasoline and other fuel output. The American Petroleum Institute has argued that Gulf Coast diesel surpluses cannot simply be moved to every U.S. region because of infrastructure and geography limits.

Crude’s broader direction remained tied to supply and diplomacy. Brent had touched $97.36 Tuesday, its lowest since September 8, as improving Gulf flows and hopes for talks weighed on prices. Saudi Arabia has been rerouting about 4 million barrels a day through its East-West pipeline, Reuters reported. U.S. crude inventories also rose by 1.8 million barrels in the week to September 18, against analysts’ expectations for a decline.

The policy threat therefore cuts both ways: it may offer short-lived relief at home, but risks pushing up diesel costs for overseas buyers and disrupting refinery economics. That refined-fuel squeeze is now helping support Brent even as crude supply concerns ease.