Fuel gas

Fuel gas can refer to any of several gases burned to produce thermal energy.

Natural gas (methane) is the most common fuel gas, but others include:
 * Town gas
 * Syngas
 * Propane
 * Butane
 * Regasified liquified petroleum gas
 * Wood gas
 * Producer gas
 * Water gas

Hydrogen may be used in the future as a fuel gas.

Gas combustible Brenngas Paliwo gazowe