The average price of a gallon of self-serve regular gasoline in Riverside County rose for the 40th consecutive day Sunday, increasing 1 cent to $6.287 — its highest amount since Oct. 10, 2022 and just 8.6 cents from its all-time record of $6.373 set Oct. 5, 2022.
The average price has increased 76.7 cents over the past 40 days, including 5.3 cents Saturday, according to figures from the AAA and Oil Price Information Service. It is 19.4 cents more than one week ago, 70.3 cents more than one month ago and $1.687 more than one year ago.
The average price has increased $1.736 since the start of the joint U.S./Israel war on Iran on Feb. 28, which sent oil prices higher and drastically accelerated increases at the gas pump.
The national average price declined eight-tenths of a cent to $4.479. It is three-tenths of a cent more than one week ago, 38 cents more than one month ago and $1.342 more than one year ago. It has increased $1.497 since the attack on Iran.
The national average price is at its highest amount this late in the calendar year, according to Patrick De Haan, head of petroleum analysis at GasBuddy, which provides real-time gas price information from more than 150,000 stations.

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There are 900,000 barrels in the Wilmington Oil Field, so there is no shortage of oil. To beat the California Big Oil gasoline price rip-off, buy an EV. America does not import oil from Iran.