Iowa drivers are seeing a little relief in the price at the pump. Triple A says gas prices dropped three cents a gallon in the last week. The average price for regular unleaded in Iowa is $2.27-cents. The national average is $2.35 for regular. The Davenport area posts the lowest average price in the state at $2.21 a gallon, followed by Des Moines at $2.22. The highest gas prices are in the Waterloo-Cedar Falls area at $2.38 a gallon.