Gasoline prices across the northern plains have risen by as much as a dime a gallon in recent weeks. Mark Peterson, at Triple-A-Iowa, says that’s unusual as prices are usually relatively stable or fall during mid-autumn.
*
While refineries are making the switch from summer to winter grades of fuel about now, several other factors are involved that will impact pump prices.
*
Iowa’s most expensive gas is in Cedar Rapids at two-58 a gallon while the Quad Cities and Sioux City are tied for the cheapest gas at two-48.