Flywheels have hit the road as the power source for a new generation of "green trams."
Installed by Bristol Electric Railbus of Bristol, England, the prototype is currently running along the town's historic harbor.
The 34-passenger tram draws ...
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Installed by Bristol Electric Railbus of Bristol, England, the prototype is currently running along the town's historic harbor.
The 34-passenger tram draws ...
More Information