- Natural gas: A fossil fuel composed primarily of methane, found underground and used for heating, cooking, and electricity generation.
- Liquefied petroleum gas (LPG): A mixture of propane and butane, commonly used for cooking, heating, and transportation.
- Biogas: A renewable fuel produced by the anaerobic decomposition of organic matter, such as manure or plant waste, and can be used for heating, cooking, or electricity generation.
- Coal gas: A synthetic gas produced by the gasification of coal, used in some areas for cooking, heating, and industrial purposes.
- Syngas (synthesis gas): A mixture of carbon monoxide and hydrogen, produced by the gasification of coal or other carbonaceous materials, used as a fuel for power generation or as a原料生产其他化学品。
These gas fuels are used in various applications, including heating buildings, cooking food, powering vehicles, and generating electricity.