What's Happening
A fresh geopolitical flashpoint in the Strait of Hormuz — the narrow Persian Gulf chokepoint through which roughly 20% of the world's seaborne oil flows — is sending shockwaves through global energy markets as of September 20, 2026. The crisis, which analysts are already comparing in severity to past Gulf disruptions, has triggered a sharp rally in crude oil futures and is simultaneously pushing global coal demand toward a record high as power generators scramble for alternative fuel sources.
WTI crude oil futures surged in response to the news, with prices climbing toward the $95–$100 per barrel range — a level not consistently seen since the post-pandemic supply squeeze of 2022. Brent crude, the international benchmark, tracked closely behind. The dual shock — a threatened oil supply disruption combined with a coal demand record — signals that energy markets are entering a period of acute stress that will almost certainly translate into higher prices per gallon at gas stations across the United States.
The Hormuz strait sits between Iran and Oman and serves as the exit route for crude oil exports from Saudi Arabia, Iraq, Kuwait, the UAE, and Iran itself. Any credible threat to shipping through that corridor — whether from naval confrontation, mine-laying, or missile activity — causes immediate repricing in futures markets, because traders must account for the possibility that millions of barrels per day could be delayed or rerouted. Even a partial disruption lasting weeks could tighten global supply enough to push retail gasoline prices meaningfully higher.
The coal demand angle adds a secondary layer of pressure. When oil and natural gas supplies are threatened, utilities and industrial users in Asia and Europe pivot to coal, bidding up that commodity as well. This cross-commodity pressure reinforces the narrative of a global energy system under strain — and historically, that narrative alone is enough to keep crude prices elevated for weeks.
Data Snapshot
According to AAA, the national average gas price heading into this event was hovering near $3.45 per gallon for regular unleaded — already elevated compared to the five-year seasonal average for September. EIA data shows that US commercial crude oil inventories have been running below the five-year average for much of 2026, leaving the domestic buffer thinner than traders would like heading into a supply shock.
WTI crude was trading in the $92–$96 per barrel range in the days immediately preceding the Hormuz escalation, according to EIA spot price data. A sustained move to $100/barrel or above — which futures markets are now pricing as a meaningful probability — would represent a roughly 10–15% increase from pre-crisis levels. As a rule of thumb, every $10 increase in crude oil prices adds approximately 24 cents per gallon to retail gasoline costs over a 4–6 week lag period. EIA weekly petroleum inventory data will be closely watched in the coming days; any draw exceeding 3–4 million barrels would amplify upward price pressure significantly.
Why It Matters at the Pump
For everyday drivers, the Hormuz crisis is not an abstract geopolitical event — it is a direct threat to what you pay every time you pull up to a pump. The transmission mechanism from crude oil prices to retail gasoline is well-documented and relatively swift: crude accounts for roughly 55–60% of the price per gallon you pay, with refining, distribution, taxes, and retail margins making up the rest.
If WTI crude sustains a move above $100 per barrel, the national average gas price — currently near $3.45 per gallon — could realistically climb toward $3.70 to $3.90 per gallon within four to six weeks, depending on how long the crisis persists and whether US refiners can offset any import disruptions with domestic production increases.
Regional impacts will not be uniform. California and the West Coast, which rely on a more isolated refining system and face the nation's highest state fuel taxes, are likely to see the sharpest increases. The California statewide average, which was already running near $4.80–$5.00 per gallon before this event, could push toward $5.25 or higher if crude sustains its rally. The Midwest, which benefits from proximity to Cushing, Oklahoma — the main US crude delivery hub — may see a more muted initial response, though prices there will still rise. Gulf Coast states like Texas and Louisiana, home to the largest US refining complex, typically see the lowest retail prices and the slowest pass-through of crude price increases, offering some insulation. The Northeast, which depends heavily on imported refined products and has seen refinery capacity shrink over the past decade, is vulnerable to above-average price spikes.
What's Driving This
The immediate catalyst is the Hormuz crisis itself, but several underlying factors have left energy markets poorly positioned to absorb a supply shock of this magnitude.
OPEC+ has been managing production carefully throughout 2026, with the group's voluntary cuts — led by Saudi Arabia and Russia — keeping roughly 2–3 million barrels per day off the global market compared to theoretical capacity. That deliberate tightening means there is limited spare capacity available to compensate for any Hormuz-related disruption. Saudi Arabia, which holds the world's largest cushion of spare production capacity, has signaled it could ramp up output in a crisis, but doing so takes weeks and would require a formal OPEC+ policy reversal.
US domestic production, while near record highs of approximately 13.2 million barrels per day according to EIA estimates, cannot be quickly redirected to replace Gulf crude that serves Asian and European refiners. The Strategic Petroleum Reserve (SPR), which was drawn down aggressively in 2022, has only been partially replenished, limiting the Biden-era playbook of emergency releases.
The coal demand record adds a separate but related pressure point. Asian utilities — particularly in China, India, and South Korea — are bidding aggressively for thermal coal as a hedge against oil and LNG supply disruptions. This cross-commodity demand surge signals that the global energy system is operating with very little slack, making any single supply disruption more consequential than it would be in a well-supplied market.
Geopolitical analysts at organizations including the International Energy Agency (IEA) have long flagged the Hormuz strait as the single most critical chokepoint in global energy infrastructure. Approximately 17–21 million barrels of crude and petroleum products transit the strait daily. Even a 10–15% reduction in that flow would represent a supply shock larger than most OPEC+ production cuts.
Historical Context
The Hormuz strait has been at the center of energy market anxiety before, and history offers useful perspective on how markets and prices respond.
During the 2019 tanker attacks in the Gulf of Oman — attributed to Iran — Brent crude spiked roughly 15% in a single session before partially retracing as the immediate threat appeared contained. Retail gasoline prices in the US rose modestly, by about 10–15 cents per gallon, over the following month before stabilizing.
The more severe comparison is the 1973 Arab oil embargo and the 1979 Iranian Revolution, both of which caused sustained supply disruptions that drove retail gasoline prices up by 50–100% over 12–18 months. Those events, however, involved actual supply cutoffs rather than threatened disruptions — an important distinction.
More recently, Russia's invasion of Ukraine in February 2022 sent WTI crude above $130 per barrel and pushed the national average gas price to an all-time record of $5.02 per gallon in June 2022, according to AAA data. That episode demonstrated how quickly a geopolitical shock can translate into record pump prices when markets are already tight — exactly the conditions that exist today.
The current situation is not yet at that level of severity, but the structural similarities — tight inventories, limited spare capacity, geopolitical uncertainty — are notable.
Regional Breakdown
California will almost certainly lead the nation in price increases, as it typically does during crude oil rallies. The state's unique blend requirements, high taxes, and limited pipeline connections to the rest of the US refining system make it especially sensitive to supply shocks. Expect California gas prices today to move first and fastest.
The Pacific Northwest — Oregon and Washington — will follow California's lead, as both states draw heavily from West Coast refineries. Arizona and Nevada, which also rely on California-area refineries, will see similar pressure.
The Midwest (Illinois, Indiana, Ohio, Michigan) benefits from proximity to Cushing-area crude and a dense refinery network, but is not immune. Chicago-area prices, which carry a high local tax burden, could push above $4.00 per gallon if crude sustains its rally.
Gulf Coast states — Texas, Louisiana, Mississippi, Alabama — will likely see the smallest increases in percentage terms, given their proximity to refining infrastructure. Texas prices, currently among the lowest in the nation near $3.10–$3.20 per gallon, may climb toward $3.40–$3.50.
The Northeast — New York, New Jersey, Connecticut, Massachusetts — faces above-average risk due to reduced regional refining capacity and dependence on imported refined products. New York City metro area prices could approach $4.00 per gallon if the crisis deepens.
Florida, a major tourism-driven fuel market, will track Gulf Coast trends but with slightly higher retail margins.
What Experts Are Saying
Analysts at Goldman Sachs have previously modeled a Hormuz disruption scenario in which Brent crude could spike to $120–$130 per barrel within 30 days if shipping through the strait were meaningfully curtailed — a level that would push the national average gas price above $4.50 per gallon.
The IEA has noted in its most recent Oil Market Report that global oil inventories remain below comfortable levels, reducing the market's ability to absorb supply shocks without significant price responses.
GasBuddy's head of petroleum analysis has consistently noted that the US retail gasoline market typically lags crude oil moves by three to five weeks, meaning drivers may not feel the full impact of this week's crude rally until mid-to-late October 2026.
AAA has flagged that consumer fuel demand in the US remains resilient heading into fall, which removes one potential offset — demand destruction — that might otherwise cap price increases.
EIA projects in its Short-Term Energy Outlook that any sustained crude price move above $95/barrel will put upward pressure on retail gasoline prices through the end of Q4 2026.
What Drivers Should Expect
The honest answer is that gas prices are likely to move higher in the coming weeks, with the magnitude depending entirely on how the Hormuz situation develops. If the crisis de-escalates quickly — as happened in 2019 — crude could retrace much of its gains and pump prices might rise only modestly, perhaps 10–20 cents per gallon nationally. If the situation worsens or involves actual shipping disruptions, the move could be significantly larger and more sustained.
For drivers, the actionable advice is clear: if your tank is less than half full, consider filling up now before any further price increases work their way through the supply chain to your local station. The three-to-five week lag between crude oil moves and retail prices means you have a narrow window to act before the full impact hits.
Use GasBuddy or the AAA TripTik tool to find the cheapest stations in your area — price dispersion tends to widen during volatile periods, meaning the gap between the cheapest and most expensive station in your zip code can reach 30–50 cents per gallon. Wholesale club stations (Costco, Sam's Club, BJ's) typically offer the best prices and are worth the detour during a price spike.
Drivers with flexible schedules should also consider filling up mid-week — Tuesdays and Wednesdays tend to see lower retail prices than Fridays and weekends. And if you're planning a long road trip in October, locking in fuel costs now by filling a portable approved fuel container (where legal) could save meaningful money.