Since 1993,China has become a net importer of energy from a net exporter. The total energy con-sumption has been greater than the total supply,and the external dependence of the energy demand increases rapidly. China’s crude oil import volume and imports amount reached 253.78 million tons and 196.664 billion US dollars in 2011,with a growth rate of 6%and 45.3%,respectively,year-on-year. The significant increase in demand for oil and the caused structural contradictions are increasingly becoming the greatest challenge for China’s energy security. The energy crisis has not only touched everyone’s nerves,but also sparked a strong desire to find alternative energy.
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