Which of the following statements are true about CNG -Compressed natural gas?
Which of the following statements are true about CNG -Compressed natural gas?

Q. Which of the following statements are true about CNG -Compressed natural gas?

  1. It is a clean fuel
  2. It is a harmful fuel
  3. It is a polluting fuel
  4. All of the above

Answer: It is a clean fuel.
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