Home Chemistry Some important fuels and their composition Some important fuels and their composition Water gas - CO+H2 Producer Gas - CO+N Coal gas - H2+CH4+C2H4+C2H2+CO+N2 Natural gas - CH4+C2H6 LPG - C4H10+C3H8 CNG - CH4 Biogas - CH4+CO2+H2+N2 Source:Books
