Multi-speed transmissions are utterly necessary with diesel engines to keep engine operating speed within a very limited bandwidth for performance and efficiency. Electric motor have much broader power and efficiency curves, demanding far fewer gear ratios.
Mack Invests $14.5 Million to Expand Roanoke Valley Operations
Mack Trucks is investing $14.5 million to expand its manufacturing footprint in Roanoke Valley, Virginia, in anticipation of increased demand for Mack MD and MD Electric medium-duty trucks.