Gasoline prices in the United States have climbed to their highest point since the outbreak of hostilities with Iran, according to multiple reports published Wednesday. The surge reflects sustained pressure on global oil markets tied to the ongoing standoff in the Persian Gulf, where the U.S. has maintained a naval blockade pending Iran's agreement to nuclear terms.

Oil benchmark prices for both Brent crude and West Texas Intermediate moved sharply higher Wednesday, according to CNBC, as traders weighed the prospect of a prolonged conflict and continued disruptions to energy flows through the Strait of Hormuz. Iran has threatened what officials in Tehran described as an "unprecedented response" to the blockade, adding to market uncertainty.

Five U.S. states have already recorded steep overnight increases in pump prices, with analysts warning that more states could follow depending on how quickly the conflict affects domestic supply chains. The Hill reported that regional refinery capacity and pipeline infrastructure differences are driving uneven price impacts across the country.

Defense Secretary Pete Hegseth testified before the Senate on Wednesday, where lawmakers pressed the administration on the conflict's estimated $25 billion price tag and an approaching 60-day War Powers Act deadline. The hearing underscored growing congressional scrutiny over both the military and economic dimensions of the standoff.

Vox noted that the Strait of Hormuz remains one of the world's most critical energy chokepoints, with roughly 20 percent of global oil supply transiting the waterway. Any sustained closure or disruption could push prices significantly higher and ripple through broader financial markets, echoing disruptions seen during previous Middle East crises. Analysts across ideological lines have cautioned that a prolonged conflict could weigh heavily on consumer spending and economic growth.