A quantity of gas required by a transporter to provide the transportation service. Fuel gas includes, but is not limited to, gas consumed in transporter's mainline compressor stations, gathering system booster stations and processing plants.
Synthetic gas used for heating or cooling. It has less energy content than pipelineâ€“quality gas.
Gas (generally natural gas) that is used as fuel for boilers, gas turbines, etc., within a plant.