The Peterbilt 587 SmartWay conventional tractor won in the heavy-duty division.
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 ...
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