Interesting. The EMDJoule locomotives use regenerative braking. https://www.progressrail.com/en/Segments/RollingStock/Locomotives/FreightLocomotives/EMDJoule.h

Interesting. The EMDJoule locomotives use regenerative braking. https://www.progressrail.com/en/Segments/RollingStock/Locomotives/FreightLocomotives/EMDJoule.html https://www.progressrail.com/en/Segments/RollingStock/Locomo... The batteries are 1,800 kWh or about 18,000 kilo-Teslas.