According To AAA, Gas Prices Dropped Four Cents Over The Last Week In Tennessee. The Gas Price Average Is Now $3.16 Which Is Nine Cents Less Expensive Than A Month Ago. Megan Cooper Spokeswoman For Triple-A Says Drivers Can Expect Prices To Fluctuate Throughout The Summer Months. Kingsport And Bristol Motorists Are Paying The Least Amount In The Metro Market. Tennessee Is The 7th Least Expensive Market In The Nation