Non-renewable energy: (propane)
Propane is an energy-rich gas. Its chemical formula is C3H8.

It is one of the liquefied petroleum gases that are found mixed with natural gas and oil. Propane and other liquefied gases, including ethane and butane. The amount of propane produced from natural gas and from oil is roughly equal. LPG provides a convenient means of powering heating, cooking and other processes, regardless of where your home is located.