The Iran crisis has moved from a shipping emergency into a summer fuel warning. The head of the International Energy Agency now says oil markets could enter the “red zone” in July or August if the Strait of Hormuz does not reopen fully and Middle East exports do not recover.

Reuters reported Thursday that IEA executive director Fatih Birol warned peak summer fuel demand, falling stocks, and the lack of fresh Middle East oil exports could push the market into a dangerous phase within weeks. Speaking at Chatham House in London, Birol tied the risk directly to the oil supply crisis caused by the Iran war.

“We may be entering the red zone in July or August if we don’t see that there are some improvements in the situation,” Birol said, according to Reuters.

The warning is a new angle in the crisis because it puts a timeline on the economic pressure. Earlier List25 coverage focused on Iran’s uranium stockpile, Pakistan-mediated diplomacy, and Tehran’s claimed Hormuz control zone. The latest development is that the energy buffer itself may be running down before the summer travel season peaks.

The IEA says Hormuz is the key fix

Birol said the “single most important solution” is the full and unconditional reopening of the Strait of Hormuz, Reuters reported. Before the war, the waterway carried a major share of global oil and natural gas flows. Since the conflict began, attacks on energy infrastructure and Iran’s effective closure of the strait have removed more than 14 million barrels per day of oil supply from the Middle East, according to Reuters.

The IEA has already coordinated a 400 million barrel strategic reserve release, the largest such release in its history. Reuters calculated that those barrels are flowing at roughly 2.5 million to 3 million barrels per day, meaning the final supplies from the initial release would hit the market around the start of August. That timing lines up with Birol’s red-zone warning.

The Guardian also reported Birol’s warning, noting that he said the IEA stood ready to coordinate further strategic reserve releases if needed. The Guardian reported that as much as 80% of the IEA’s collective reserves have not yet been released.

Oil prices are still far above prewar levels

Reuters reported Brent crude was trading around $108 a barrel Thursday, below wartime highs of $126 but still far above the roughly $70 level seen before the Iran war began. That matters because fuel prices are no longer just a market signal. They are becoming a political and economic pressure point as governments head into the high-demand travel months.

Birol also warned that Middle East production and refining capacity may not snap back quickly even if diplomacy improves. Reuters said he singled out Iraq as a major concern because reduced oil revenue and storage limits have forced some field shutdowns, which can be difficult to reverse. The Guardian reported that Birol saw no prospect of full oil production recovery for at least a year.

Diplomacy is moving, but the core fight remains

The energy warning landed as Washington and Tehran remained stuck on the same core disputes. In a separate Thursday report, Reuters said the U.S. and Iran were still at odds over Tehran’s enriched uranium stockpile and controls on the Strait of Hormuz, even as Secretary of State Marco Rubio said there were “some good signs” in talks.

President Donald Trump said the U.S. would eventually recover Iran’s highly enriched uranium and objected to any Iranian tolling system in Hormuz. Reuters quoted Trump saying, “We want it open, we want it free. We don’t want tolls.” Rubio said a tolling system would make a diplomatic deal unfeasible.

NBC News separately reported that Tehran was reviewing Washington’s latest proposal and that Pakistan’s mediation had “reduced the gaps to some extent,” according to Iran’s semiofficial ISNA news agency. But NBC also reported Trump had again threatened renewed military action if the U.S. did not get the “right answers.”

Why this matters now

The practical problem is that markets are no longer waiting only for a headline peace deal. They are watching whether oil can physically move, whether ships can transit Hormuz at scale, and whether damaged or shut-in production can restart fast enough to meet summer demand.

That makes the next several weeks unusually important. If talks reopen Hormuz and energy flows stabilize, the red-zone warning may become a pressure tactic that helped force movement. If the strait remains restricted while reserves keep draining, the crisis could move from wartime volatility into a broader fuel shock just as demand peaks.

Sources: Reuters, The Guardian, NBC News.

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Last Update: May 21, 2026