Gas prices have gone up some in Michigan over the past week. Triple-A Michigan says prices are up six cents to a statewide average of about two dollars and 59-cents a gallon. The lowest prices can be found in the Marquette area at about two-50 a gallon and the highest prices in the Jackson area at about two-63 a gallon. Local Port Huron Pumps are asking about $2.30 per gallon for regular unleaded.
