 That makes ASEAN a greater source of greenhouse gas emissions than Japan (1.3 billion tonnes per year) or Germany (796 million tonnes per year).It is the only region in the world where coal is expected to increase its share of the energy mix.According to the International Energy Agency (IEA), "Since 2000 [ASEAN's] overall energy demand has grown by more than 80% and the lion's share of this growth has been met by a doubling in fossil fuel use... Oil is the largest element in the regional energy mix and coal, largely for power generation, has been the fastest growing."