fuel gas
combustible in gas form
biogas
fuel gas produced by anaerobic digestion
Producer gas
obsolete form of gas fuel
natural gas
fossil fuel
Associated petroleum gas
gaseous by-product of the petroleum production
renewable natural gas
methane-enriched biogas
Natural combustible gases
Combustible gas is a gas that can burn in the air or in Oxygen. Examples of combustible gases are Hydrogen, Methane, Propane, Iso-butane. Mixture of a certain amount of combustible gas and Oxygen will explode in the presence of an ignition source.
town gas
fuel