STRAIT OF HORMUZ
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How the Hormuz Crisis Affects Gas Prices

Since the Strait of Hormuz closed on February 28, 2026, fuel prices have climbed at gas stations thousands of miles away — including in countries that import no oil from the Persian Gulf. Here's how the transmission chain works and why every driver feels it.

The Global Oil Market in Numbers

~21%
of world oil through Hormuz
~100M
barrels consumed daily worldwide
1
global price, many local taxes
2–6 wk
delay from crude spike to pump

Why Prices Rise Everywhere

Oil is a fungible, globally traded commodity. When ~20 million barrels per day are taken off the market at Hormuz, buyers everywhere compete for the remaining supply. A refinery in Texas that uses zero Gulf crude still pays more because the crude grades it does buy are now in higher demand from buyers who lost their Gulf supply.

This is called the substitution effect — and it means no oil-importing country is immune to a Hormuz disruption.

From Hormuz to the Pump: The Price Chain

Transmission Steps

1
Crude futures spike. Brent crude futures react within minutes of a disruption. Traders price in the supply loss immediately.
2
All crude grades rise. Refiners who lost Gulf supply bid up alternatives (WTI, Urals, Nigerian grades), pulling all benchmarks higher.
3
Refinery margins adjust. Refiners pass higher input costs to wholesale gasoline, diesel, and jet fuel prices within days.
4
Wholesale to retail lag. Gas stations buy fuel in advance. Pump prices rise over 2–6 weeks as existing inventory is replaced at higher cost.
5
Secondary inflation. Higher diesel and jet fuel raise shipping, trucking, and air freight costs. Food and consumer goods follow.
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Why the Impact Differs by Country

The same $10/barrel crude increase hits drivers very differently depending on where they live. The main factors are taxes, subsidies, currency exchange rates, and how much of the pump price is actually crude cost.

Tax Structure

When taxes dominate the price, crude swings are diluted. A 10% crude increase may only raise European pump prices 4–5%.

Buffered: Europe (50–60% of pump price is tax)
Exposed: US, Gulf states (10–20% tax)

Fuel Subsidies

Subsidized countries shield consumers but absorb the cost fiscally. This delays the impact but doesn't eliminate it.

Buffered: Saudi Arabia, UAE, Kuwait, Iran
Exposed: Most OECD countries

Refining Capacity

Countries that import refined products (gasoline directly) see faster price transmission than those that refine domestically.

Buffered: US, India, China (large refining sectors)
Exposed: Many African, Pacific Island nations

Currency vs USD

Oil is priced in USD. A weakening local currency amplifies the price increase for consumers.

Buffered: Countries with strong/stable currencies
Exposed: Emerging markets with depreciating currencies
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What a $10/Barrel Crude Increase Means at the Pump

A barrel of oil produces roughly 19\u201320 gallons of gasoline (plus diesel, jet fuel, and other products). As a rule of thumb, a $10/barrel increase in crude adds approximately $0.25/gallon (or ~$0.07/liter) to gasoline prices — before taxes and local margins.

2026 Hormuz Closure \u2014 Actual Impact

Brent crude before closure (Feb 2026)~$75/barrel
Brent crude peak (May 2026)$105+/barrel
Crude price increase+$30\u201340/barrel
Estimated US pump price increase+$0.75\u2013$1.00/gal
Time to reach peak pump prices3\u20136 weeks after closure

The 2026 Hormuz closure is the first real-world test of a full strait shutdown. The price transmission has followed the predicted chain closely: crude futures spiked within days, pump prices followed within weeks, and secondary inflation in food and freight is now visible across major economies. See the crisis timeline for the full sequence of events.

Beyond Gasoline: The Ripple Effects

Gasoline is only the most visible impact. Oil is embedded in modern life far beyond transportation.

🌾

Food

Diesel powers tractors, trucks, and fishing boats. Fertilizer is made from natural gas. Both flow through Hormuz.

✈

Air Travel

Jet fuel is refined from crude. Airlines add fuel surcharges within days of a crude spike.

🏠

Heating

Heating oil and natural gas prices rise in tandem. Winter disruptions hit hardest.

🏭

Manufacturing

Plastics, chemicals, and pharmaceuticals all depend on petrochemical feedstocks from the Gulf.

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Live Oil Price →Why Hormuz Oil Matters →Strategic Petroleum Reserves →Crisis Timeline →