Tennessee Drivers Are Enjoying Some Of The Lowest Gas Prices In The Nation This Week. The Statewide Average Dropped Three Cents To $2.76 Per Gallon, Making Tennessee The Third Cheapest State For Gas. Prices Are Eight Cents Lower Than Last Month And 36 Cents Below Last Year’s Levels. AAA Spokesperson Stephanie Milani Said Prices Held Steady As Oil And Gasoline Futures Saw Minimal Movement.