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FatalLogic
on June 24, 2017
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Cooling the tube – Engineering heat out of the Und...
They are already using regenerative braking extensively, according to this article
https://www.ianvisits.co.uk/blog/2017/06/10/cooling-the-tube...
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https://www.ianvisits.co.uk/blog/2017/06/10/cooling-the-tube...