LANSING, Mich (WLMI)  The price at the pump has been unchanged in Michigan over the past week.  AAA Michigan says the average price for a gallon of regular remain $3.83.  The average is 37-cents per gallon higher than it was a year ago--this marks the second straight week the average price of gas in Michigan remained unchanged.  Nationally, the average is $3.85 per gallon.  GasBuddy.com says the average in Lansing this morning is $3.84 a gallon.