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How to improve EV traction motor efficiency

Charged EVs

The vast majority of losses in an ICE vehicle occur in the conversion of chemical energy to mechanical—the so-called Carnot Efficiency—which might approach 40% in the best of cases. The CVT4EV is a continuously variable transmission with a pushbelt that Bosch says can increase the efficiency of light commercial EVs by more than 4 percent.

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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

If in addition to normal electric use in homes such as lights and appliances, we charge the PHEV cars at 2 kW at the appropriate times, we could increase the utility factor of the already-installed wires in homes to more than 25%, still leaving plenty of safety margin and capacity. Or their UF=10% to 15%. The Hydrogen car and its issues.

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