Multiple choice

CNG is a better fuel than petrol or diesel in automobiles. Which of the following is not a correct reasoning for this statement?

  1. CNG burns more efficiently.

  2. It is expensive.

  3. It cannot be siphoned off by thieves.

  4. CNG produces less harmful products.

  5. It is cheaper.

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

It is not very expensive.