Which of the following is not a fossil fuel or is not derived from a fossil fuel ?

  1. LPG
  2. Natural gas
  3. Biogas
  4. CNG
Anurag Mishra Professor Asked on 11th January 2016 in General Knowledge.
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    Answer: (2) Natural Gas 

    Anurag Mishra Professor Answered on 11th April 2016.
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