A decomposition analysis of energy-related CO2 emissions in Chinese six high-energy intensive industries
Abstract China's six high-energy intensive industries use more energy than any other industrial sectors, consuming almost 90% of manufacturing energy and more than 50% of national energy and contributing over 50% of national energy-related CO 2 emissions. Thus, this study is motivated to identify the drivers of energy-related CO 2 emissions change of high-energy intensive industries in China based on the Logarithmic Mean Divisia Index (LMDI) method. Results demonstrate that CO 2 emissions in China's high-energy intensive industries were on the rise during 1986–2013 with annual growth rate of 7.8%. The expansion of industrial scale, which increased 52.14 billion tons of CO 2 emissions in six high-energy intensive industries, was the leading force explaining CO 2 emissions change; and the effect of which was most significant in power industry (20.52 billion tons of CO 2 emissions increase). Energy intensity was the major contributor to promote the decline in CO 2 emissions, and the effect was most significant in chemical industry and non-metallic mineral products industry. Besides, energy structure and industrial structure effects have relatively small impacts on CO 2 emissions change due to the relatively stable energy structure and industrial structure during the study period. Policy recommendations are made for future emission reductions in Chinese six high-energy intensive industries. Highlights We analyze the determinants of CO 2 emissions change of Chinese high-energy intensive industries. We present a comprehensive picture of energy-related CO 2 emissions during 1986–2013. The expansion of industrial scale and reduction in energy intensity are the major contributors to CO 2 emissions change. Energy and industrial structure effects have relatively small impacts on CO 2 emissions change.
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