Natural gas leaves no residue or waste behind is another fact adding to the list of its advantages. Natural gas is documented as the most clean and environment friendly gases of all and therefore so widely used. GAIL India believes in serving the society back and hence believes in natural gas. This eco-friendly gas is cheap, efficient, versatile and available in abundant. A safe and secure manner of gas usage is with the use of natural gas. Natural gas treats biogas and other forms of waste to develop a renewable and clean gas.