The demand for electricity in China is currently increasing at an annual rate of w10% [23] and China reached a total electricity generation of 3.66 PWh (P 1⁄4 1015) in 2009 [6]. It is estimated that China’s production of electricity will increase to 9.24 PWh by 2030 [6,23]. If this additional electricity is supplied mainly by coal, CO2 emissions are expected to increase by as much as 5.6 Gtons of CO2 per year by 2030. China is now the world’s fastest growing market