New Delhi, Dec 03 (ANI): Prime Minister, Manmohan Singh on Tuesday assured investors of government's commitment to provide a stable and enabling policy environment for exploration of new sources of energy, as he aimed to bridge the gap between supply and demand. While addressing the '8th Asia Gas Partnership Summit', Singh said that Natural Gas was the fuel of choice today. Highlighting the need to increase energy supply, Singh said that India was expected to be the 3rd largest energy consumer by the year 2020