Propane, butane, propylene, butylene, and isobutane are the main components of liquefied petroleum gas (LPG).
LPG is a highly combustible mixture of various hydrocarbon gasses that is commonly used as a cooking fuel in homes.
Some autos use it as a fuel source. Propane and butane are the primary active components of LPG.
Final Answer:-
Butane makes up the majority of LPG, with lesser amounts of propane and ethane.