According To AAA, Gas Prices Across Tennessee Are Continuing On A Decline. Within The Past Week, The Cost Per Gallon Fell Around 9-Cents. The Average Price Throughout The Volunteer State Is Now $3.20 Which Is 13-Cents Less Than This Time Last Month, But Eight Cents More Than A Year Ago. Agency Spokesperson, Megan Cooper, Said Prices Are Expected To Continue Falling Ahead Of The Holiday Weekend.