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CAMARILLO, Calif. (AP) – The average price of a gallon of regular-grade gasoline jumped 7 cents nationally over the past two weeks to $2.58.

Industry analyst Trilby Lundberg of the Lundberg Survey said Sunday that the spike is a result of several factors, including higher oil prices.

The current price is 32 cents above where it was a year ago.

Gas in San Francisco was the highest in the contiguous United States at an average of $3.25 a gallon. The lowest was in Baton Rouge, Louisiana, at $2.14 a gallon.

The U.S. average diesel price is $2.82, up 6 cents from two weeks ago.

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