Using subways as an energy source
The Southeastern Pennsylvania Transportation Authority is piloting the system that converts kinetic energy into electricity as the train slows down. A battery installed at a substation will store electricity to help power the subways.
Experts said the system could generate extra power that could be sold back to the regional power grid, according to MIT Technology Review.
Related News
27 giant parts from China to be transported to wind farm in Saskatchewan
VANCOUVER - A set of 220-foot-long wind turbine blades arrived at the Port of Vancouver from China over the weekend as part a shipment bound for a wind farm in Canada.
They’re the largest blades ever handled by the port, and this summer, even larger blades will arrive — the largest North America has ever seen.
Alex Strogen described the scene as crews used two tandem cranes to unload 27 giant white blades from the MV Star Kilimanjaro, which picked up the wind turbine assemblies in China. They were manufactured by Goldwind Co.
“When you see these things come off and put onto…
