explain how the the use of of CNG as reduced pollution in our city for 2mark question
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1.Natural gas vehicles have lower maintenance costs than other hydrocarbon-fuel-powered vehicles.
2.CNG fuel systems are sealed, preventing fuel losses from spills or evaporation.
3.Increased life of lubricating oils, as CNG does not contaminate and dilute the crankcase oil.
4.Being a gaseous fuel, CNG mixes easily and evenly in the air.
5.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 per cent) of flammability.
6.CNG-powered vehicles are considered to be safer than gasoline-powered vehicles.
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