Gas Prices In The Tri Cities Have Continued To Drop This Past Week. According To AAA East Tennessee, Kingsport Prices Were 2.21 Cents Per Gallon, Which Is The Lowest Average In The Region. Prices In Bristol Fell By 4.3 Percent With A Posting Of 2.23 Cents Per Gallon While Johnson City Drivers Go An Almost Seven Cent Price Break, Paying And Average Of 2.27 Cents Per Gallon. Prices In The Tri Cities Continue To Lower Than The National Average.