Gas Prices In Tennessee Are Holding Steady This Week, With The State Average Sitting At $2.72 Per Gallon. Triple-A Says That’s A Penny Lower Than Last Month And 52 Cents Cheaper Than This Time Last Year. Tennessee Now Ranks As The Fourth Least Expensive Market In The Country. Officials Say Lower Crude Oil Costs And Weak Demand Are Helping Keep Prices Down Ahead Of Memorial Day Travel.