Shale gas is used for a range of applications which includes industrial, power generation, commercial, residential and transportation. It is basically a natural gas which is extracted from different shales. Some major shales are Marcellus, Eagle Ford, Niobrara, Barnett, Bakken among others. In industries, shale gas is used to produce ethane which is a feed stock for various industries. Shale gas itself is used as feedstock for fertilizer industry to produce ammonia. Shale gas is used in power industry replacing coal. Many countries are converting their coal fired power plants to gas fired power plants to reduce carbon emissions. Commercial and residential sectors use shale gas for space heating or cooling, water heaters, and cooking purposes among others. Shale gas is also used as fuel for vehicles.