By San Francisco Business Times

Refinery problems in both California and Canada helped push gasoline prices in the Golden State up for the second week in a row, according to the Automobile Club of Southern California.

AAA said the average price for a gallon of gas in California was $3.866 per gallon on Friday. The group said some supplies meant for the West Coast were diverted, which pushed prices up.

Only Alaska and Hawaii, where prices per gallon were $4.044 and $4.200, respectively, had higher costs than California on Friday.

San Francisco had the highest prices in the state until very recently, when San Luis Obispo moved into the top spot. On Friday, San Luis Obispoâ¿¿s average price was $3.943, half a cent higher than in San Francisco.

Yuba City, at $3.756 a gallon, had the cheapest gas in the state.

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