LANSING, Mich. (Michigan News Source) – Gas prices in Michigan have dropped 16-cents per gallon in the past week.

AAA Michigan says the average price for a gallon of regular unleaded is now $4.05. That’s 17-cents more than last month, and 76-cents higher than last year.

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Metro Detroit boasted the lowest prices at $3.92, while Marquette’s $4.2 is the highest.

A 15-gallon fill up now costs roughly $60.