Question

Define-- CNG


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Answer 1

Compressed natural gas is a fuel which can be used in place of gasoline, Diesel fuel and propane/LPG. CNG combustion produces fewer undesirable gases than the fuels mentioned above

Answer 2

Compressed natural gas(methane stored at high pressure) is a fuel used in place of gasoline(petrol) .CNG combustion produces fewer undesirable gases.
It has high calorific value.
It produces less pollution.