If this is as good as it looks it could be a game changer - it's made it in California - toughest pollution requirements there are I think 
One to watch
http://www.gizmag.com/a2n-pipe-emiss...0a2bb-90818657

One to watch

http://www.gizmag.com/a2n-pipe-emiss...0a2bb-90818657

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