US-Iran tensions push petrol and oil prices higher as Strait of Hormuz traffic thins
Average petrol prices in the United States have risen to $4.00 per gallon, marking a second straight week of increases as renewed tensions between the United States and Iran ripple through energy markets. Benchmark crude prices also moved higher before easing, with Brent reaching $91.42 and West Texas Intermediate touching $85.39 before retreating. The price moves come as concerns grow over tanker traffic through the Strait of Hormuz, one of the world's most important oil shipping routes.
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The latest market reaction follows the breakdown of the US-Iran ceasefire, according to the supplied material, and comes alongside threats affecting shipping in the Red Sea. The American Automobile Association said the average petrol price had climbed from $3.87 a week earlier. The rise has come despite recent inflation data showing a temporary drop in petrol costs, underlining how quickly geopolitical developments can alter fuel markets.
The disruption is significant because the Strait of Hormuz has long been a critical chokepoint for global energy supplies, carrying roughly 20% of the world's oil before the war, according to the supplied row. Traffic through the waterway has already thinned sharply, with only 30 vessels passing between July 17 and 19, and even fewer over the weekend. Shipping companies are also feeling the strain, after Dynacom Tankers said two projectiles struck two of its ships near the Omani coast while sailing through the area.
The developments matter well beyond the immediate region because higher crude prices can feed into transport costs, consumer fuel bills and broader inflation expectations. Energy markets are especially sensitive to any sign that tanker routes could be disrupted, whether in the Strait of Hormuz or the Red Sea. The latest moves also show how quickly a military or diplomatic setback between Washington and Tehran can be transmitted into global commodity prices.
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The supplied material links the latest rise to pressure from Iran on its Houthi allies in Yemen, who have announced a naval blockade against Saudi Arabia if attacks on Iranian energy infrastructure continue. That adds another layer of risk for shipping firms already navigating attacks, route changes and insurance concerns in the region. It also suggests the market is reacting not only to current events, but to the possibility of wider disruption across multiple maritime corridors.
What remains unclear is how long the price increases will last and whether shipping through the Strait of Hormuz will deteriorate further. It is also not yet clear who was responsible for the projectiles that hit the Dynacom Tankers vessels. Traders and policymakers will be watching for any further attacks, official responses from Washington and Tehran, and signs that tanker traffic is either stabilising or falling again.
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