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Sustainability 2017, 9(6), 886;

Decoupling and Decomposition Analysis of Carbon Emissions from Electric Output in the United States

State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Urumqi 830011, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
School of Economic & Management, China University of Petroleum (Huadong), No. 66 West Changjiang Road, Qingdao 266580, China
Author to whom correspondence should be addressed.
Academic Editor: Umberto Berardi
Received: 10 April 2017 / Revised: 18 May 2017 / Accepted: 19 May 2017 / Published: 25 May 2017
(This article belongs to the Section Energy Sustainability)
Full-Text   |   PDF [563 KB, uploaded 25 May 2017]   |  


The rapid growth of the electricity sector in the United States has been accompanied by a dramatic rise in CO2 emissions. To understand the driving effects that contribute to the increase in CO2 emissions during electricity generation, as well as the relationship between the emissions and electricity output, a novel decoupling index on the basis of the multilevel logarithmic mean divisia index (LMDI) method is presented in this paper. The results of our study indicate that, on the one hand, the electricity output effect played a crucial role in increasing CO2 emissions. On the other hand, the energy mix effect and the conversion efficiency effect made a contribution to curbing the related CO2 emissions in most of the years covered by our study. The power production structure effect and emission factor effect each played a negative role in the decoupling process. No decoupling was the main status during most of the years covered in our study, with a strong decoupling status being the least common state. View Full-Text
Keywords: CO2 emissions; multilevel LMDI analysis; decoupling index; United States CO2 emissions; multilevel LMDI analysis; decoupling index; United States

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Jiang, X.-T.; Li, R. Decoupling and Decomposition Analysis of Carbon Emissions from Electric Output in the United States. Sustainability 2017, 9, 886.

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