Gas prices in the state of Michigan are up 12 cents since last week, according to the American Automobile Association (AAA).
On average, Michigan drivers are now paying $3.17 for a gallon of regular unleaded fuel, down nine cents since last month and down 21 cents since this time last year.
This means that for a 15-gallon tank of gas, drivers are paying an average of $47, down $10 from last year’s highest price…