The Tennessee Department Of Environment And Conservation Along With The Tennessee Department Of Transportation, Named Kingsport Among Eight Winners Recognized For Sustainable Transportation Efforts. The Awards Are Given After A Review That Grades Entries On Improvements Of Efficiency, Accessibility, Affordability, And Sustainability Of Transportation Systems. TDEC And TDOT Report That Kingsport Has One Of The Largest Alternative Fuel Fleets In The State With A Mix Of Propane Fueled, Hybrid, And Electric Powered Autos And Equipment. Among Others That Received The Award Were Chattanooga, Vanderbilt University And Tennessee State Parks.