TM4 and Cummins partner to develop plug-in hybrid powertrain for e-buses
By Charles Morris Hydro-Québec subsidiary TM4 has joined with motor-maker Cummins to develop a plug-in hybrid powertrain for Class 7/8 transit buses.
TM4 equipped 5,000 buses in China with its electric powertrain last year.
The new system consists of a genset (Cummins’ Euro 2019 B4.5 engine coupled with TM4’s LSG130 electric generator), a TM4 SUMO …read more