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- Can jet engines clean up Delhi's air? http://www.bbc.com/news/world-asia-india-38285567 121 comments
- Can jet engines clean up Delhi's foul air? http://www.bbc.com/news/world-asia-india-38285567 16 comments india
- Can jet engines clean up Delhi's foul air? "The programme could use retired and commercial engines and has the possibility of adding value to numerous retired propulsion systems available." http://www.bbc.co.uk/news/world-asia-india-38285567 5 comments worldnews
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