Tennessee Gas Prices Have Risen Four Cents A Gallon. The State Average Stands At $2.40, Which Is 15 Cent6s More Than A Month Ago. Tennessee Has The 10th Lowest State Average In The Country. The Price Of Oil Is Pushing Prices Higher At The Pump. High Oil Prices Are Preventing Gas Prices From Taking Their Seasonal Winter Retreat. Nationwide, Motorists Are Paying On Average $2.57 This Week.