Question

15. How CNG is good fuel than petrol and diesel in vehicles?
कैसे सीएनजी पेट्रोल और डीजल की तुलना में अच्छा ईंधन है?
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Answer 1

CNG is compressed natural gas it is cleaner fuel it leaves no Residue when burnt it produce no ashes it burns without flame it is eco friendly environment friendly it does not cause any harm to environment carbon less carbon dioxide emission so it is  considered as cleaner fuel

Answer 2

I doesn't produce harmful gases like petrol