Natural gas Some of these gases include heptane, pentane, propane and other hydrocarbons with molecular weights above methane (). The natural gas transmission lines extend to the natural gas processing plant or unit which removes the higher molecular weighted hydrocarbons to produce natural gas with energy content between . The processed natural gas may then be used for residential, commercial and industrial uses. Natural gas flowing in the distribution lines is called mid-stream natural gas and is often used to power engines which rotate compressors. These compressors are required in the transmission line to pressurize and re-pressurize the mid-stream natural gas as
Natural Gas Choice Natural Gas Choice Natural Gas Choice programs in United States of America allow residential consumers and other small volume gas users to purchase natural gas from someone other than their traditional utility company. With Natural Gas Choice programs, customers can either purchase from their natural gas utility or choose to receive their gas supply from non-utility Choice suppliers. Large commercial and industrial consumers have had the option of purchasing the natural gas commodity separately from natural gas services for many years. Currently, 21 States and the District of Columbia have legislation or existing programs that allow Natural Gas Choice Programs.