GENERAL TYPES OF CHEMICAL FUELS

 

  PRIMARY (NATURAL) SECONDARY (ARTIFICIAL)
LIQUID FUELS PETROLEUM DIESEL, GASOLINE, KEROSENE, LPG, COAL TAR, NAPTHA, ETHANOL, JET A, AV GAS.
GASEOUS FUELS NATURAL GAS HYDROGEN, PROPANE, COAL GAS, WATER GAS, BLAST FURNACE GAS, COKE OVEN GAS, CNG.
SOLID FUELS WOOD, COAL, DUNG, ETC. COKE, CHARCOAL.