Liquefied Natural Gas or LNG is a natural gas (Predominantly Methane, CH4) that has been converted to liquid state for the ease of storage and transport. The Liquefied Natural Gas is a kind of colorless, odorless, non-corrosive and non-toxic kind of gas that is highly flammable. Liquefied Natural Gas is transported in a specialized tanker which has insulated walls and is kept in liquid form by the process of auto-refrigeration. The Liquefied Natural Gas can be used in natural gas vehicles.