SIOUX FALLS, S.D. (KELO AM) - The average retail price for regular gasoline fell to $2.51 a gallon Monday.
That's down 12.7 cents from a week ago says the U.S. Energy Information Administration.
Pump prices were highest in the West Coast states at $3.16 a gallon and prices were lowest in the Gulf Coast states at $2.20 a gallon.
Triple A South Dakota says the average price of gas in Sioux Falls is $2.42 a gallon ranging from $2.29 to $2.89.