Iowa gas prices drop

Triple A says the cost of a gallon of gas in iowa is down $.02 from last week.  The average price is $2.48 a gallon, $2.49 nationwide.  The highest price at the pump is posted in Iowa City at $2.56 a gallon.  Drivers in Sioux City are paying the least per gallon at $2.39 for regular, $.06 a gallon lower than a week ago.