CAMARILLO, Calif. (AP) -- The average U.S. price of a gallon of gasoline has dropped 4 cents over the past two weeks.
The Lundberg Survey of fuel prices released Sunday says the price of a gallon of regular is $3.60. Midgrade costs an average of $3.78 a gallon, and premium is $3.92.
Diesel remained unchanged at $3.90 gallon.
Of the cities surveyed in the Lower 48 states, Tucson, Ariz., has the nation's lowest average price for gas at $3.24. Chicago has the highest at $4.23.
In California, the lowest average price was $3.85 in Sacramento. The highest was in Los Angeles at $4.07. The average statewide for a gallon of regular was $4.01, an increase of 9 cents.
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