What is LPG? LPG is Liquefied Petroleum Gas It is a mixture of hydrocarbons (propane and butane). It is gaseous under normal atmospheric conditions. LPG is from two different sources It occurs naturally in oil and gas fields Also a byby-product of oil refining Mainly used for cooking, heating, commercial appliances Extracted from petroleum or natural gas streams as they emerge from the ground. It is affordable, safe and cleaner energy sources for cooking and space heating. It is effective source for household energy.