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Oil Prices Hit $100 as US-Iran Conflict Drives Gas Up 42%

Oil prices spiked Sept. 9 the morning after officials said U.S. military forces destroyed five Iranian crude oil tankers, the latest escalation in the war between the United States and Iran. Futures for Brent crude oil, the international…

Oil Prices Hit $100 as US-Iran Conflict Drives Gas Up 42%

Oil prices spiked Sept. 9 the morning after officials said U.S. military forces destroyed five Iranian crude oil tankers, the latest escalation in the war between the United States and Iran. Futures for Brent crude oil, the international benchmark, reached $100 per barrel for the first time since July.

Brent Crude Hits $100 as U.S.-Iran Conflict Intensifies

The spike followed the U.S. military’s confirmation that it destroyed five Iranian crude oil tankers in response to attempted missile attacks on a Navy warship. West Texas Intermediate, the U.S. benchmark for November delivery, traded around $95 per barrel, according to USA TODAY.

Analysts warn that further supply shocks could push prices even higher.

Surging Pump Prices and Consumer Sentiment

American consumers face mounting financial strain as fuel costs track the crude oil surge. According to AAA data cited by USA TODAY, the national average price for a gallon of regular gasoline reached $4.22 on September 9, up from $4.01 the previous month and $3.19 a year ago. Gas prices have surged 42% since the conflict began on February 28.

Diesel prices have climbed even faster, setting fresh records. Patrick De Haan, head of petroleum analysis at GasBuddy, reported that U.S. diesel prices jumped to an all-time high of $5.92 per gallon on September 9, according to USA TODAY. These sustained high energy costs have weighed heavily on public confidence. Joanne Hsu, director of the University of Michigan’s surveys of consumers, noted in a statement reported by USA TODAY that heightened policy uncertainty around the Iran conflict has led consumers to anticipate further short- and long-term increases in gasoline prices.

Strait of Hormuz Disruptions and Alternative Routes

Although the U.S. military has worked to restore limited shipping traffic, ongoing security threats persist across multiple trade routes.

Oil Prices Hit $100 as US-Iran Conflict Drives Gas Up 42%
Photo: centraloregondaily.com

Addressing the long-term outlook, Treasury Secretary Scott Bessent told Fox News over the weekend that oil prices could eventually fall to between $40 and $50 per barrel once the Middle East conflict concludes. Bessent noted that Gulf oil-producing nations are actively constructing alternative pipeline routes that bypass the Strait of Hormuz, according to USA TODAY.

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About the author: Marcus Liu - Business Editor

MBA and ex‑B bureau chief specializing in global finance and fintech. Marcus speaks Mandarin, Japanese, and English, and has interviewed CEOs from the Fortune 50 to Y‑Combinator unicorns. Marcus Liu delivers sharp analysis on markets, startups, and corporate strategy for investors and entrepreneurs alike.