Folks Are Paying More At The Pumps This Year Than In The Past Four Years. However, Gas Prices Are Starting To Decline. According To Triple-A Auto Club, Gas Prices In Tennessee Fell Three Cents Last Week. Gas Prices In The Tri Cities Averaged $2.63 A Gallon. The Discount At The Pump Is Being Driven By Strong Declines In The Price Of Oil, Which Influences About Half The Price Of Gasoline.