New energy source for public rail systems


By tovarichpeter   Follow   Sat, 24 Nov 2012, 12:53am PST   392 views   2 comments   Watch (0)   Share   Quote   Permalink   Like   Dislike  

http://www.bbc.com/future/story/20121122-spiraling-wheels-boost-subways

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zzyzzx   befriend (10)   ignore (7)   Mon, 26 Nov 2012, 2:07am PST   Share   Quote   Like   Dislike     Comment 1

That's a really good idea. It's not really a new energy source, it's really just another form of regenerative braking. Would lower electric rail electric bills and reduce maintenance costs on braking system.

Automan Empire   befriend (0)   ignore (0)   Mon, 26 Nov 2012, 3:33am PST   Share   Quote   Like   Dislike     Comment 2

Such a good idea I am surprised they aren't already installed.

What we REALLY need are Shipstones. (cookie for reference)

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