Comments on: Philly’s SEPTA Trains are Rolling Power Generators http://cleantechnica.com/2012/05/01/philly-septa-trains-capture-energy-from-braking/ Clean Tech News & Views: Solar Energy News. Wind Energy News. EV News. & More. Tue, 30 Dec 2014 19:42:00 +0000 hourly 1 http://wordpress.org/?v=4.0.1 By: Smart Grid Coming to Philadelphia Train Stations - CleanTechnica http://cleantechnica.com/2012/05/01/philly-septa-trains-capture-energy-from-braking/#comment-125476 Wed, 04 Jul 2012 16:05:15 +0000 http://cleantechnica.com/?p=37649#comment-125476 […] Philly’s SEPTA Trains are Rolling Power Generators (May 2012) […]

]]> By: jburt56 http://cleantechnica.com/2012/05/01/philly-septa-trains-capture-energy-from-braking/#comment-119987 Wed, 02 May 2012 18:35:00 +0000 http://cleantechnica.com/?p=37649#comment-119987 South Korea was doing this with ultracapacitors. See–

http://gigaom.com/cleantech/korean-subway-to-put-regenerative-braking-to-the-test/

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