Natural gas Natural gas Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium. It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years. The energy that the plants originally obtained from the sun is stored in the form of chemical bonds in the gas. Natural gas is a fossil fuel used as a source of energy for heating,
China Natural Gas gas retailing company to be publicly traded in the United States. The company is building a local government supported liquefied natural gas processing and distribution plant in Jingbian, Shaanxi province, which was scheduled to be completed in December 2009. China Natural Gas China Natural Gas Inc. is a Chinese energy company that, through its subsidiaries, is engaged in the distribution and sale of natural gas and gasoline to commercial, residential and industrial customers in the Xi'an area and the Shaanxi province of the People's Republic of China. The company also engages in the construction of pipeline networks. It offers natural