AAA: Michigan Gas Prices On The RiseSeptember 22, 2025Jessica Mathews / news@whmi.comGas prices in Michigan are back up again - 12 cents from a week ago according to AAA Michigan. AAA Auto Club Group Spokesperson Adrienne Woodland said “drivers across Michigan are seeing higher gas prices this week. Total domestic gasoline supply decreased from 220 million barrels to 217.6 million. Gasoline production decreased last week, averaging 9.4 million barrels per day. At 415.4 million barrels, U.S. crude oil inventories are about 5% below the five-year average for this time of year.