Delhi had been categorised as the fourth most polluted city of the world in a list of 41 cities in the 1990s. Vehicular pollution has added to the pollution of air in Delhi. So, in year 2002, it switched over to a new fuel CNG (Compressed Natural Gas), Reasons of CNG being better fuel (i) It is a clean fuel that produces very little unburnt particles. Hence, it is ecofriendly. (ii) It burns most efficiently. Unlike petrol or diesel, very little is left unburnt. (iii) It is cheaper and cannot be siphoned off by thieves and adulterated like petrol or diesel.
By the end of 2002, the public transport of Delhi switched over to a new fuel. Name the fuel. Why is this fuel considered better? Explain.
Answers
Satish
Delhi had been categorised as the fourth most polluted city of the world in a list of 41 cities in the 1990s. Vehicular pollution has added to the pollution of air in Delhi. So, in year 2002, it switched over to a new fuel CNG (Compressed Natural Gas), Reasons of CNG being better fuel
(i) It is a clean fuel that produces very little unburnt particles. Hence, it is ecofriendly.
(ii) It burns most efficiently. Unlike petrol or diesel, very little is left unburnt.
(iii) It is cheaper and cannot be siphoned off by thieves and adulterated like petrol or diesel.