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How to improve EV traction motor efficiency

Charged EVs

For example, both Porsche and Audi have used a two-speed gear transmission in their EVs, but Bosch is currently making the case for its CVT4EV , which is a constant-velocity transmission that is optimized for EVs by cutting its speed reduction range in half to double its maximum torque capability (as compared to its ICE counterpart).

Motor 101
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Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Green Car Congress

He was formerly with the University of Wisconsin and Rockwell International, and holds a Ph.D. There are trucks and buses being converted commercially today. The convenience and low cost of this concept alone merit attention. It is only a matter of economics motivated by incentives or taxes.

PHEV 150