U.S. Xpress orders 1,000 SmartWay certified trucks

U.S. Xpress, based in Chattanooga, Tenn., has ordered 1,000 new Peterbilt 587s, the truck maker announced. Peterbilt’s new Model 587s have been certified as fuel-efficient by the Environmental Protection Agency’s SmartWay program. The 587 has an aerodynamic design made for long-haul operations, lowers greenhouse gas emissions and reduces NOx emissions, particulate matter and other air pollutants. The truck is available with two sleeper options or in a day cab configuration.