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California oil prices rise as Iran's war puts pressure on refiners

California fuel prices are even higher than the rest of the United States. Due to several factors, the fallout from the Iran war is expected to push pump price in California to $10 per gallon. Jet fuel prices have risen by 47% in two weeks.

California is isolated from the rest of 'U.S. because of its mandated gasoline blend and lack of access to pipelines. The Strait of Hormuz closure has made it heavily dependent on Asian energy imports.

The state has already seen the highest gasoline costs in America. And there's more to come. Energy economist Philip Verleger wrote that the U.S. West Coast would become the poster child of the effects of the attacks against Iran. He added that California drivers should expect to see gasoline and diesel shortages in the near future and prices above $10 per gallon. In the last month, regular gasoline prices have risen by more than 18% in California. According to AAA, American Automobile Association, the pump price on Friday was $5.42 per galon. This is much higher than the national average of $3.63. According to OPIS, the prices of jet fuel in Los Angeles have increased by more than 47% since the conflict began in the Middle East. The average price is $3.85 per gallon.

Verleger said that West Coast states would need to reduce their use of gasoline and diesel by 20% if nations exporting fuel to the area restrict or stop flows in order to protect domestic markets.

VULNERABLE TO "SUPPLY SHOCKS" California, a state that was once the top oil producer in the U.S. has become more dependent in recent years on fuel and crude imports, as some refineries have closed or switched to renewable fuels in response to a move away from fossil fuels. Some analysts have warned that this reliance on crude oil has made the state more susceptible to supply shocks. Refineries in China and India have had to reduce production due to a shortage of Middle Eastern crude. Some even declared force majeure, a legal measure that allows companies the right to stop deliveries during emergencies. China, Thailand and other countries have stopped fuel exports. Last year, the U.S. West Coast imports a record 128,000 barrels of motor gasoline per day. The majority of this came from South Korea and India. According to Kpler, a ship tracking company, California imported jet fuel at a rate of 54,000 barrels per day, with nearly a third coming from South Korea. The Korean imports are expected to dry up in the near future, and Washington State, which is next door, does not have much spare refining capacity.

According to Kpler's figures, the West Coast refineries import about 230,000 barrels of Middle Eastern crude oil per day, which is about 50% of Middle East crude imported to the United States. Refineries must now look for alternative barrels that will cost more. As refiners scramble for oil, heavy crude prices have risen.

Matt Smith, analyst at Kpler said that "all the crude oil that West Coast refiners imported from the Middle East was at risk." He added that refineries would be forced to purchase?crude from Canada or Latin America. According to EIA data, the refineries owned by Chevron in Richmond and El Segundo as well as Marathon Petroleum in Los Angeles were California's biggest importers of oil in 2025. Marathon's spokesperson confirmed that it was fulfilling all contractual obligations but refused to comment on crude sourcing and refining. Chevron's spokesperson refused to comment on the daily operations, but did note that the refineries are still supplying customers in the area.

There are few alternatives to crude oil due to the strong demand in Asia.

Kpler's Smith said that at 'best', only half a milllion barrels of Canadian crude oil are available to West Coast refining companies due to the constraints on Canada’s Trans Mountain pipeline and the 'demand' from Chinese buyers. Asian refiners might also look to purchase more Latin American crude oil from Ecuador or Guyana.

Smith stated that the West Coast refiners in the United States do not have a lot of additional supply.

Rystad's Bell stated that West Coast refiners would try to maximize Alaska North Slope crude supplies, redistribute Canadian oil, and could buy Venezuelan oil in spite of the shipping difficulties.

Donald Trump may temporarily waive a rule on shipping called the Jones Act. This law requires that domestic crude be shipped by tankers flying the U.S. flag, increasing the cost of shipping from the U.S. Gulf Coast to California refiners. This could bring some relief to prices.

Debnil Chowdhury is the head of refinery and marketing for S&P Global Energy. She said that "all other regions also need barrels right now due to a panic about availability." There's now competition for barrels.

(source: Reuters)