LANSING, Mich. (AP) _ The worst may be over for drivers in Wisconsin and other upper Midwest states where gas prices have been among the highest in the continental U.S.

Analysts say a major refinery is back online and another is on track with a major reconfiguration. The refineries' issues are blamed for high prices in the Great Lakes region.

In Madison, most stations are selling at $3.93 for a gallon of regular unleaded, although Some have been over $4 a gallon.