Original: Liquefied petroleum gas ( also called LPG , GPL , LP Gas , or autogas ) is a mixture of hydrocarbon gases used as a fuel in heating appliances and vehicles , and increasingly replacing chlorofluorocarbons as an aerosol propellant and a refrigerant to reduce damage to the ozone layer .
Simplified: Liquefied petroleum gas ( also known as LPG , LP Gas or autogas ) is a mixture of hydrocarbon gases .