OKLAHOMA CITY (AP) -- Gas prices across the Midwest have jumped over the past week because of refinery issues, including in Oklahoma.AAA Oklahoma says the state's pump prices have surged 5.7 cents during the last week. And three states in the Midwest -- Minnesota, Michigan and Ohio -- have increased more than 10 cents in the past week.In Oklahoma, average prices in Stillwater, Grove, Oklahoma City, Norman and Ponca City all rose by more than 10 cents or more from last week. Guymon was the only city to see a decrease.The national average price for regular gasoline on Tuesday was $3.26. This is 3.6 cents above the price a week ago but only about a 1 cent more than a year ago.
Copyright 2013 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.