CAMARILLO, Calif. (AP) -- The average price of regular gasoline in the United States has jumped 17.8 cents over a two-week period to $2.66. It's the first rise in the national retail price of gas since late July.

That's according to the national Lundberg Survey of fuel prices released Sunday.

Analyst Trilby Lundberg says the average price for a gallon of mid-grade was $2.78. Premium was at $2.90.

Tucson, Ariz., had the lowest price among cities surveyed at $2.24 a gallon for regular. Anchorage was the highest at $3.25.

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