Cut your speed. Cancel the flight. Work from the kitchen table. The International Energy Agency — an organization not given to drama — just issued a 10-point plan that reads less like policy guidance and more like wartime rationing.

The IEA published its recommendations on March 20, advising governments, businesses, and households on immediate demand-side measures as the Strait of Hormuz crisis enters its fourth week. Among them: reduce highway speed limits by at least 10 kilometers per hour, encourage remote work, restrict car access in cities through license plate rotation schemes, shift freight to more efficient modes, and — the one that will sting frequent flyers — avoid air travel where alternatives exist.

“Today’s report provides a menu of immediate and concrete measures that can be taken on the demand side by governments, businesses and households,” said IEA Executive Director Fatih Birol, adding that the measures aim to shelter consumers from the crisis’s impacts.

The word “menu” is doing heavy lifting. These are not suggestions born of mild concern.

The Largest Disruption in Oil Market History

The backdrop is stark. Since Iran’s Revolutionary Guards began blocking shipping through the Strait of Hormuz on February 28, roughly 20 million barrels of daily oil transit have been disrupted. Saudi Arabia, Iraq, Kuwait, and the UAE can reroute 5 to 6 million barrels per day through Red Sea and Gulf of Oman pipelines, but approximately 9 million barrels per day — about 10% of global supply — remain bottlenecked with no alternative route.

Brent crude has settled around $109 per barrel after peaking at $126 earlier this month, roughly 50% above pre-conflict levels. On March 11, the IEA responded with a 400-million-barrel release from strategic reserves — the largest coordinated drawdown in the agency’s 52-year history.

That the agency followed a record supply-side intervention with demand-side austerity measures nine days later tells you something about how long policymakers expect this to last.

An Agency That Doesn’t Cry Wolf

The IEA has activated its emergency playbook exactly six times since 1974. The first five: the 1991 Gulf War (17.3 million barrels released), Hurricane Katrina in 2005 (30 million), Libya’s civil war in 2011 (60 million), and two interventions during the 2022 Ukraine energy crisis (182 million combined). Each responded to a specific, bounded disruption.

The 2026 release — 411.9 million barrels — exceeds all five previous interventions combined. And the demand-side measures now layered on top suggest the agency does not believe supply releases alone will be sufficient.

The IEA first published a version of this 10-point plan in March 2022, during the Ukraine crisis. That plan estimated full implementation across advanced economies could cut demand by 2.7 million barrels per day within four months. Speed limit reductions alone were projected to save around 430,000 barrels daily; three days of remote work per week, another 500,000.

In 2022, compliance was voluntary and patchy. Few countries imposed speed limit reductions or city driving restrictions. The question now is whether $109 oil and genuine supply fear will change that calculus.

Advisory Today, Mandate Tomorrow?

The IEA has no enforcement power. Its recommendations are exactly that — recommendations. Governments must decide whether to translate them into regulation, and that is where the political friction begins.

License plate rotation schemes — odd-numbered plates on odd days, even on even — have precedent in cities like Athens, Beijing, and Mexico City, though typically for air quality rather than fuel rationing. Mandating remote work raises questions about sectors that cannot comply. And restricting air travel, even as guidance, carries economic consequences that extend well beyond fuel savings.

Birol noted that IEA reserves still hold “over 1.4 billion barrels remaining,” suggesting the agency retains significant ammunition for further interventions. But the fact that it is simultaneously asking ordinary people to change how they drive, commute, and travel suggests that ammunition may need to last longer than anyone initially hoped.

The IEA acknowledged its measures cannot fully offset the Hormuz disruption. What they can do is buy time — preserving fuel for essential uses while the world waits for either a diplomatic resolution or alternative supply routes.

Three weeks into the largest oil supply disruption in modern history, the world’s energy watchdog is no longer just releasing barrels. It is asking people to use fewer of them.

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