Energy consumption of ever-increasing world 00 years, emerging markets hold the key Energy consumption of the world continues to grow year by year. According to the International Energy Agency (IEA), energy consumption of the world of 00 years, an increase of approximately. Times compared to 2.0 years, occupy a lot of the increase is, mainly in Asia, such as China and India we expect the it's emerging countries. These emerging countries, has made significant economic development in recent years, we will continue to accelerate more and more its growth in the future. As a result, oil and coal to support the economy, the demand for fossil fuel such as natural gas have been seen and continue to increase. Fossil fuel depletion is worried Whether the resources are continue to use forever In the oil and coal, fossil fuel such as natural gas or it will be able to use how much later.