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Stellantis is experimenting with multi-speed transmissions to improve the efficiency of electric vehicles, a recently surfaced patent filing indicates. Published by the United States Patent and ...

New layout for a 2-speed might be light and compact while maintaining efficiency Could potentially allow strong launch with a lower-cost motor unit Idea might be due in future Lucid EVs, or engineers ...

A methodology has been developed for creating a fundamentally new high-speed planetary gearbox for an electric vehicle drive with double-crown planetary gears mounted in central bearing supports ...