Cost of gas up 14 cents in the last three weeks

The average price of regular gasoline in the United States is up 14 cents over a three-week period to $2.74.

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 $2.86. Premium was at $2.97.

Cheyenne, Wyo., had the lowest average price among cities surveyed at $2.36 a gallon for regular. Anchorage was the highest at $3.28.

In California, prices were also up 14 cents since Dec. 18. A gallon of regular cost an average of $3.02.

Fresno had the state's least expensive gas at $2.90 a gallon. San Francisco remained the steepest at $3.06.