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"The idea I want to push next is that the United States should make Siberia a Protectorate. Pay the Russians off – a hundred, two hundred billion dollars – and simply run Siberia in an ecologically responsible way."
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![]() This is a key feature of the new Toyota Prius hybrid vehicles, which use regenerative braking.
When you are going too fast and want to slow down (either to stop or when coming down a long grade), the kinetic energy of the car is used to charge the battery.
It works exactly as described more than a century ago:
So was John Jacob Astor the first person to write about this idea? The earliest reference I can find to it is something that was called dynamic brakes used on electric trolley cars in the early 20th century:
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