AAA Michigan says gas prices statewide have increased by about 4 cents in the past week.
The Dearborn-based auto club says the average price for self-serve regular unleaded gasoline was about $1.76 per gallon on Sunday. That's about 66 cents less than it was at the same point last year.
The lowest average price was about $1.69 per gallon in the Marquette area, while the highest average was about $1.77 per gallon in the Ann Arbor area.
AAA Michigan surveys daily fuel prices at 2,800 gas stations across the state.