Sep 30, 2015 - 08:09 am

Circular energy.

Transport for London successfully finished a trial, where it recuperated energy from Tube train brakes that could power an Underground station for two days a week, potentially saving TfL 6m pounds (9m dollars) a year. More importantly for commuters: the technology also decreases heat generated by trains in tunnels.
tfl.gov.uk, treehugger.com

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Found on electrive.com
https://www.electrive.com/2015/09/30/circular-energy/
30.09.2015 08:28