Gas prices in Michigan have gone up 18 cents per gallon as compared to a week ago, AAA-The Auto Club reported.
Michigan drivers are now paying an average of $3.30 per gallon for regular unleaded gas. This price is 1 cent more than this time last month, but 19 cents less than this time last year.
A 15-gallon tank fill-up would cost about $49 at those prices…