Multiple choice

Which of the following alternative fuels is used in vehicles?

  1. Alcohol

  2. Hydrogen gas

  3. Biogas

  4. C.N.G. (Compressed Natural Gas)

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

Compressed Natural Gas (CNG) is widely used as a cleaner-burning alternative fuel for vehicles compared to traditional gasoline or diesel.