Multiple choice

Which of the following fuels should be promoted for use in cities with high air pollution?

  1. CNG

  2. Petrol

  3. Coal

  4. Diesel

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CNG is a cleaner fuel. It is being promoted in cities with high air pollution. CNG combustion produces fewer undesirable gases than the other fuels. It is safer than other fuels in the event of a spill because natural gas is lighter than air and disperses quickly when released.