china is expected to overtake the united states as the world s largest oilconsuming country by whereas southeast asia will gradually transition from being a net exporter of oil into being a net importer furthermore india will play an increasingly dominant role in the international energy scene according to iea projections india is expected to overtake the united states as the world s secondbiggest coal consumer before and soon after to surpass china as the world s largest importer of coal china india indonesia and australia are expected collectively to account for over per cent of global coal output by the focus has changed significantly from the concerns of the s and s when it was largely the perspective of oecd oil importers about ensuring a stable supply of cheap oil under threats of embargoes and price manipulations by exporters later with lessons learned from the realm of health care the scope of energy security widened to include four criteria availability affordability accessibility and acceptability the world bank group refers to three pillars of energy security energy efficiency diversification of supply and minimization of price volatility