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Sigma develops multi-speed transmissions for heavy electric vehicles
Sigma Powertrain is developing multi-speed electric transmissions for heavy and vocational vehicles, claiming 10–15% efficiency gains, improved gradeability and the potential to reduce motor and battery-pack size.
Heavy Duty Trucking7 weeks ago
Hendrickson launches integrated Electraax e-axle for electric trucks
Hendrickson has launched the Electraax integrated e-axle for Class 6-7 electric trucks. Developed with Driventic, the system combines an axle, motor, inverter and single-speed gearbox, achieving up to 94% efficiency in internal testing and supporting configurable medium-duty applications.
Heavy Duty Trucking7 weeks ago