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Question


What is the least polluting fuel for the vehicles?


Options:
A .   Petrol
B .   Natural Gas
C .   Vapour Gas
D .   Kerosene
Answer: Option B
:
B

Natural gas is stored under high pressure as Compressed Natural Gas (CNG). It is a cleaner fuel as it emits less toxic gases into the atmosphere than other fuels like petrol, diesel and coal upon combustion. Hence, it is now being used as a fuel for transport vehicles.



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