• White House economic adviser Kevin Hassett said the U.S. and Europe are in active talks to release emergency diesel reserves, with a potential announcement "sometime soon."
  • A European release of 50 million barrels—alongside a 50 million-barrel crude release by IEA members—is under discussion, but the U.S. has pushed for as much as 120 million barrels.
  • Without a deal, the U.S. could impose a unilateral diesel export ban, risking transatlantic trade flows and higher gasoline prices.

Fragile Negotiations

Efforts to cool a red-hot global diesel market have hit a critical juncture, as U.S. and European officials scramble to finalize a coordinated release of emergency fuel stockpiles. White House economic adviser Kevin Hassett said Thursday that Washington has been “talking with Europe” about a release that would have a “massive impact” on prices, adding that he is “hopeful to have news on that sometime soon.”

The talks, which remained fluid as of Thursday, center on a French-led proposal for EU countries to release 50 million barrels of diesel, according to people familiar with the matter. That would equal roughly 17% of the EU’s emergency diesel and gasoil stocks and about 3% of annual EU diesel consumption. Separately, International Energy Agency members are weighing a 50 million-barrel crude oil release.

But the U.S. has pressed large European holders—particularly France and Germany—for a much larger and faster drawdown. One U.S. proposal sought as much as 100 million barrels within 20 days, while another floated 120 million barrels over 180 days, more than one-third of the EU’s roughly 315 million barrels of diesel reserves. EU governments have yet to endorse a final figure, and no deal has been announced.

The Export Ban Lever

The urgency stems from a looming U.S. threat: President Donald Trump has considered restricting U.S. diesel exports to lower domestic prices ahead of the November 3 midterm elections. Such a move would be politically attractive to U.S. fuel consumers but could sharply tighten European supply, given Europe’s increased reliance on U.S. diesel after reducing purchases from Russia.

A European release is seen by some in the administration as an alternative to a blanket export ban. Energy Secretary Chris Wright has framed European releases as a preferred path, while Hassett’s comments suggest the White House views an EU move as a potentially “massive” market intervention. Trump himself has acknowledged that a diesel restriction might lower diesel prices but raise gasoline prices.

European officials, however, are insisting that any release be coordinated through the IEA rather than seen as a bilateral concession to U.S. pressure. Brussels has stressed that individual member states control their emergency stocks, though the European Commission is in contact with both capitals and Washington.

A Market on Edge

The diesel squeeze has been building for months. Disruption to Gulf-region supply linked to the U.S. war with Iran, a Russian export ban after Ukrainian attacks damaged refinery capacity, and Chinese refiners reportedly suspending October fuel exports have combined to drain global inventories. Europe’s structural dependence on U.S. diesel imports has only amplified the strain.

A reserve release can reduce scarcity premiums quickly by adding deliverable fuel to the market. But it does not create new refining capacity or restore lost output. It also depletes a buffer that may be needed if the Iran conflict or other disruptions worsen. The IEA already agreed in March to release 400 million barrels of strategic oil reserves—the largest coordinated release on record—in response to the Iran-related disruption. About two-thirds of that had been released by this week, according to IEA Executive Director Fatih Birol.

The inflation stakes are high. Diesel is a core input for freight trucking, farming, construction, and logistics. Higher diesel raises transport and distribution costs, which can feed into food, manufactured goods, and services prices—complicating central banks’ efforts to control inflation.

What’s Next

The most market-supportive outcome would be a coordinated, IEA-aligned EU release paired with a clear U.S. commitment not to restrict diesel exports. That combination would add supply while preserving transatlantic trade flows. Even then, prices may remain volatile because the core disruptions—Iran-related uncertainty, Russian refining damage, and reduced Chinese exports—have not been resolved.

If negotiations fail, a unilateral U.S. export ban could sharply tighten European availability, distort refinery economics, and reroute global cargoes. It could also raise U.S. gasoline prices, a risk Trump has publicly acknowledged.

For now, all eyes are on whether EU capitals can endorse a release amount, how quickly those barrels can reach commercial markets, and whether Washington explicitly takes a diesel export restriction off the table.

Update: This article was updated to clarify that the 50 million-barrel diesel release figure is a French-led proposal under discussion, not a finalized agreement.