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Grade: 12
        
 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
2 years ago

Answers : (2)

Gman Namg
420 Points
							

Delhi had been categorized as the fourth most polluted city of the world in a list of metro cities. Burning of fossil fuels has added to the pollution of air in Delhi. So, in year 2002 it switched over to new fuel - CNG.

It is considered better due to

• CNG is a clean fuel that produces very little unburnt particles and thus it is considered as eco friendly.

• CNG burns most efficiently, unlike petrol or diesel, in the automobiles and very little of it is left unburnt.

• Moreover, CNG is cheaper than petrol or diesel, cannot be siphoned off by thieves and adulterated like petrol or diesel

2 years ago
grenade
2060 Points
							
the name of fuel is  compressed natural gas
CNG does not contain any lead, thereby eliminating fouling of spark plugs (unleaded fuel is lead free, but still can cause plugs to foul).
CNG-powered vehicles have lower maintenance costs than other hydrocarbon-fuel-powered vehicles.
CNG fuel systems are sealed, preventing fuel losses from spills or evaporation. Increased life of lubricating oils, as
CNG does not contaminate and dilute the crankcase oil. Being a gaseous fuel, CNG mixes easily and evenly in air.
CNG is less likely to ignite on hot surfaces, since it has a high auto-ignition temperature (540 °C), and a narrow range (5–15 percent) of flammability.
2 years ago
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