Dearborn, Mich. AAA Michigan says gasoline prices have risen about 1 cent during the past week to a statewide average of about $3.96 per gallon.
The auto club says Monday that prices have risen for the fourth week in a row, but the average is down about 6 cents from this time last year.
Of the cities it surveys, AAA Michigan says the cheapest price for self-serve unleaded fuel is in the Marquette area, where it's about $3.84 a gallon. The highest average is in the Saginaw, Bay City and Midland areas at about $3.99 a gallon.
Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily.