San Luis Obispo County continues to have the most expensive gas in California, with the average price for a gallon of unleaded regular rising to $4.21, AAA reports.
The auto club’s daily fuel-gauge report put the county’s average price per gallon on Sunday at $4.206 – fractionally higher than the $4.200 price in San Francisco.
A year ago, the price for a gallon of unleaded in the San Luis Obispo-Atascadero-Paso Robles area was $3.17, the auto club noted.
The county’s average is still well below the region’s all-time high measured by the AAA -- $4.68, reached on June 20, 2008.
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Nationally, the average U.S. price of a gallon of regular has jumped 19 cents over the past three weeks.
The Lundberg Survey of fuel prices now puts the U.S. average price for a gallon of regular at $3.76.
Analyst Trilby Lundberg said from her Camarillo office on Sunday that the average price is 91 cents higher than it was this time last year.
The national average for a gallon of mid-grade is $3.90. For premium it’s $4.01 a gallon.
Lundberg says diesel prices rose 11 cents a gallon over the past three weeks, to $4.09.
Tucson, Ariz., had the nation’s lowest average price for gas at $3.41.