Gas Prices Are Continuing To Rise Across The State, Jumping 21 Cents On Average Over The Last Week. Spokeswoman For Triple A Megan Cooper Says The Biggest Factor Behind The Recent Surge In Gas Prices Is The Price Of Crude Oil Has Risen 15% Over The Past Five Weeks. Tennessee’s Gas Prices Have Actually Remained The Same Since Saturday Although The Recent Rise Has Caused The State To Fall To 4th Least Expensive Gas In The Nation.