New energy source for public rail systems


By tovarichpeter   Follow   Sat, 24 Nov 2012, 8:53am   264 views   2 comments
In South San Francisco CA 94080   Watch (0)   Share   Quote   Permalink   Like   Dislike  

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

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  1. zzyzzx


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    1   10:07am Mon 26 Nov 2012   Share   Quote   Permalink   Like   Dislike  

    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.

  2. Automan Empire


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    Los Angeles, CA

    2   11:33am Mon 26 Nov 2012   Share   Quote   Permalink   Like   Dislike  

    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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