Why is the use of diesel and petrol as fuels in automobiles being replaced by Compressed Natural Gas (CNG) in big cities?
Compressed Natural Gas (CNG)
Compressed Natural Gas has taken the role of diesel and petrol
Which of the following is the most environment friendly fuel to be used in automobiles?
(a) petrol
(b) diesel
(c) natural gas
(d) petroleum gas
Name the fuel which is gradually replacing petrol and diesel in automobiles.