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. . . Amsted’s Dynamic Controllable Clutch technology can be used to include a two-speed transmission in an EV’s drivetrain, which provides both improved performance and increased driving range.

The challenges of shifting gears with a high-torque electric motor have meant that only the Porsche Taycan has used a 2-speed transmission so far. It was the plan of Tesla founders Martin Eberhard and Marc Tarpenning to include a 2-speed transmission in the company’s original Roadster model, but they couldn’t achieve the necessary reliability then and Tesla has shied away from multi-speed...​

the second [Qashqai rjw] is what Nissan calls e-Power, but this e-Power operates differently than some other e-Power vehicles. It uses a three-cylinder turbo engine to generate electricity for the 140-kW electric motor or send it to the 1.8 kWh battery pack.
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