Cummins electric semi truck: traditional maker takes on Tesla

Cummins Urban Hauler Tractor conceptThe well-established Cummins company chose an appropriate time to reveal its all-electric semi tractor concept: just before Tesla prepares to reveal its own electric semi next month. The traditional diesel-engine maker debuted its Urban Hauler Tractor, a Class 7 semi truck with a 44,000-pound payload. Notably, the company called the semi truck a...