AAA Michigan says gasoline prices have risen 12 cents during the past week to a statewide average of about $3.36 per gallon.
The auto club said Tuesday the average is about 3 cents per gallon less than last year at this time.
Of the Michigan cities it surveys, AAA Michigan said the cheapest price for self-serve unleaded fuel is in the Ann Arbor, where it's about $3.35 a gallon. The highest average is in the Traverse City area at about $3.41.
Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily.