What are the ways to check environmental pollution caused due to combustion?

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Hello, Aalapthi. Your question has been answered at the Teahouse Q&A board. Feel free to reply there!
Please note that all old questions are archived after 2-3 days of inactivity. Message added by ♛♚★Vaibhav Jain★♚♛ Talk Email 11:10, 21 July 2013 (UTC). (You can remove this notice at any time by removing the {{teahouse talkback}} template).Reply