Michigan's average gas price is down seven-cents from last week to three-dollars-37-cents a gallon.

Triple-A Michigan says that is down 15-cents in the past month and 68-cents lower than last year. A 15-gallon fill-up costs 50-dollars on average in the state. Michigan's highest price is in Jackson at three-44, while Grand Rapids has the lowest price at three-32 a gallon