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Which of the statements given above is/are correct? - Exam Yatra

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In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements:

  1. The main advantage of the use of H- CNG is the elimination of carbon monoxide emissions.

  2. H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions.

  3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses.

  4. H-CNG makes the fuel less expensive than CNG.

Which of the statements given above is/are correct?

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EXPLANATION

HCNG reduces emissions of Carbon Monoxide up to 70% but does not eliminate it. I...
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