The average U.S. price of a gallon of gasoline has jumped three-and-a-half cents over the past two weeks.
That's according to the Lundberg Survey of fuel prices, released Sunday, which puts the price of a gallon of regular at $3.39.
Midgrade costs an average of $3.54 a gallon, and premium is at $3.66.
Diesel was up about two cents, at $3.91 a gallon.
Of the cities surveyed, Salt Lake City, Utah, has the nation's lowest average price for gas at $2.94. Los Angeles has the highest at $3.71.
In California, the lowest average price was $3.59 in Fresno. The average statewide for a gallon of regular was $3.67, up about three cents.