Hesop: Saving energy and costs in a single solution 

Truly wonderful invention, going further than merely powering the system itself. Train power powering the stations they stop at is a great idea. If public network electricity is generated from a renewable source i.e. wind turbine, this is a truly excellent age of invention we are living in. My query is.... what happens to the millions of batteries after they lose their ability to be charged.... after say 50 years? Are they recyclable into more batteries, or do we end up with an ever increasing stock pile of discarded batteries? Kind regards LM

Awesome!

In all over the world where... This technology used..