Liquefied Petroleum Gas comprises Propane (C3) & Butane (C4). LPG can be used domestically to generate heat or to produce light. Also, It can be used as fuel for some vehicles (mainly in Europe). In the refining and petrochemical industry, it could be used as feed for units such as the HPU (hydrogen production plant), and it can feed steam crackers to produce derivatives (which are the main components to produce Plastics).