More Good News For Motorists. Gas Prices Are The Lowest They’ve Been In Tennessee Since 2011 This Week. The Average Price Per Gallon Slipped 11 Cents To $3 Or Less. Meanwhile, Virginia Motorists Are Also Paying On Average $3 Or Below. AAA Attributes The Tumble In Prices To An Overabundance Of Oil, The Blend Of Oil Used In The Winter Is Less Expensive Than The One Used In The Summer, And People Aren’t Taking As Many Trips This Time Of Year. AAA Is Projecting The Prices Will Continue To Drop Another 11 To 20 Cents Per Gallon By Thanksgiving.