Gasoline prices in Michigan have a taken a 14-cent dip from last week.
AAA Michigan reports the average price for self-serve unleaded is $2.99 per gallon. That's 67 cents higher than this time last year.
The highest prices are in the Traverse City area at about $3.09 per gallon. Motorists in the Detroit area are paying an average of $2.97.
Gas prices typically drop in the fall as fewer people take vacations. Also, refineries switch to a less expensive winter gasoline blend.
The statewide average for biodiesel is $3.03 and is $2.65 for ethanol.
AAA Michigan surveys 2,800 gas stations.