none of the fuels is clean fuel. comment Share with your friends Share 2 Dharmesh answered this BECAUSE ALL FUELS RELEASE POLLUTION ON COMBUSTION. BUT CNG AND LPG ARE CLEANER FUEL 9 View Full Answer Devansh Kaushal answered this All fuels emit pollutant gases on combustion 3 Sushant Saurav answered this CNG and LPG are clear fual . Exept these all produces harmfull pollutants on combustion . 7
