AAA Michigan says gas prices statewide have dropped 10 cents per gallon in the past week.
The Dearborn-based auto club says the average price for self-serve regular unleaded gasoline was about $2.28 per gallon on Sunday.
That's about 9 cents less than it was at the same point last year.
Of the 10 metro areas surveyed by AAA, Lansing and East Lansing have the lowest average price of about $2.15 per gallon.
The highest average is about $2.38 per gallon in the Ann Arbor area. AAA says the average price in the Detroit area is about $2.35 per gallon, about 7 cents less than the same point last week.
AAA Michigan surveys daily fuel prices at 2,800 gas stations across the state.
