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New energy source for public rail systems

By tovarichpeter   2012 Nov 24, 12:53am   558 views   2 comments   watch (0)   quote      

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

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1   zzyzzx   570/570 = 100% civil   2012 Nov 26, 2:07am  ↑ like   ↓ dislike   quote    

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   41/41 = 100% civil   2012 Nov 26, 3:33am  ↑ like   ↓ dislike   quote    

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

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