Motorists Are Seeing A Small Amount Of Change In The Price Of Gas At The Pump This Week. Compared To A Week Ago, Average Prices Rose A Penny In Tennessee. The Average Price Of Gas In The Tri Cities This Week Stands At $2.14 And $2.36 Nationally. AAA Said Oil Prices Will Continue To Drive Up Prices At The Pump. They Are The Primary Reason Gas Prices Are About 40 Cents Higher Than At This Time Last Year.