Washington Flirts With a 90-Day Diesel Export Ban: What It Means for Expats in Latin America

Washington is debating something it has not done in more than a decade: restricting energy exports. The reported target is diesel, the fuel that moves Latin America’s trucks, buses and food supply — and much of the region’s imported diesel comes from US Gulf Coast refineries. For expats, the story is not the US pump price; it is what a ban would do to freight and food costs from Mexico to Chile.

Politico reported Wednesday, citing five people familiar with the matter, that the White House is preparing a 90-day ban on diesel exports , that lawyers are working out the legal route, and that President Trump is inclined to announce the measure by the end of the week . Energy Secretary Wright called energy-company executives on Tuesday night to say a ban was likely within days, the report said.

The same report describes a split at the top: Wright, Treasury Secretary Bessent and Interior Secretary Burgum are opposed to a total ban. And on Wednesday a White House official publicly denied the report outright — “not true”. Trump himself, speaking at the UN on Tuesday, framed the idea in his own terms: “let’s not send out the diesel.”

As of Thursday morning, nothing had been formally announced. Treat the ban as reported preparation, not policy — the denial and the preparation can both be true while the decision sits on the president’s desk.

US diesel averages about US$6.52 a gallon according to AAA — up roughly 90 cents in a month and about 76 percent in a year, making it the most politically sensitive fuel price in the country. Diesel futures fell about 4 percent on Wednesday as traders digested the report: a ban would trap supply in the domestic market, lowering US prices while raising them everywhere else.

The context is global. Russia is separately weighing fuel export restrictions of its own, and the OECD’s interim outlook published Wednesday projects Brent peaking near US$105 a barrel late in 2026 — a forecast, not a fact. A US diesel ban would be the first American curb on energy exports since the crude-oil export ban was lifted in 2015.

US Gulf Coast refineries are the region’s fuel station. US trade data consistently show Mexico as the largest buyer of US diesel , with Brazil and Chile also among the big importers. If exports stop, even for 90 days, buyers bid against each other for Atlantic Basin supply from elsewhere — and the price rise lands in import markets within weeks.

For expats, diesel rarely shows up at a pump you visit; it shows up in bus fares, trucking rates and supermarket logistics . The region is already running two live experiments in diesel policy: Mexico’s voluntary cap holds regular diesel at MXN 27 a liter (about US$1.54) at a cost one analyst estimates at MXN 163 million a day (about US$9.3 million), and Bolivia raised its administered diesel price to Bs17.95 a liter (about US$1.49) — an 83 percent rise — in June, a decree drivers marched against in Oruro on Wednesday.

A US export ban would squeeze both: the cap gets more expensive to hold, and the alternative suppliers get pricier.

The reported window is days: an announcement “by the end of the week” means Friday at the latest if the reporting holds. The alternative outcome is Wright’s voluntary approach — asking refiners to redirect supply without a legal ban — which would leave export flows intact. Either way, the first place the decision shows up in Latin America is the wholesale diesel price, and from there freight. For today’s full regional money picture — Banxico’s 1 p.m. decision, Argentina’s country risk at 566, Colombia’s TRM jump — see our daily guide for Thursday 24 September .

As of Thursday morning, nothing had been announced. Politico reported Wednesday that the White House is preparing a 90-day ban and that President Trump is inclined to announce it by the end of the week; a White House official denied the report the same day, and Energy Secretary Wright — reported to oppose a total ban — favors voluntary redirection of supply instead. Both the preparation and the denial can be true at once; the decision sits with the president.

Yes, in the short term, if imposed. Latin America imports heavily from US Gulf Coast refineries — Mexico is consistently the largest buyer of US diesel in US trade data. A ban would force buyers to compete for supply from farther away, raising import prices within weeks. Diesel moves freight, buses and food logistics, so the effect reaches consumers who never buy diesel directly — in bus fares and supermarket prices rather than at the pump.

US diesel averages about US$6.52 a gallon according to AAA, up roughly 90 cents in a month and about 76 percent in a year — the sharpest fuel-price increase in the country, driven by the global crude rally. That domestic price is the politics behind the reported ban; the OECD’s interim outlook published Wednesday projects Brent peaking near US$105 a barrel late in 2026, a forecast that suggests the pressure is not expected to fade quickly.

More: Mexico news in English , every day from The Rio Times. See also our daily guide for Thursday 24 September .

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