Fuels There are some fuels’ example. Like diesel, gasoline, kerosene, LPG, coal tar, naphtha, ethanol. Gaseous fuels. natural gas. hydrogen, propane, methane, coal gas, water gas, blast furnace gas, coke oven gas, CNG, etc. Classification of Fuels Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading...