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XIA, YAN (4) answer(s).
 
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ID:   117345


DES/CCHP: the best utilization mode of natural gas for China's low carbon economy / Yajun Li; Xia, Yan   Journal Article
Yajun Li Journal Article
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Publication 2013.
Summary/Abstract In this paper, through the analysis of the great challenges faced by China's energy industry in the development of low carbon economy, it is advisable that China increase the proportion of natural gas (NG) in primary energy as the main strategy of energy conservation and CO2 reduction in the advancement of industrialization and urbanization. In the near future, NG will become one of the major energy suppliers for new towns and industrial parks, and work for electric peak shaving when used in distributed energy system/combined cold, heat and power (DES/CCHP). However, as an efficient approach to improve the energy utilization efficiency, DES/CCHP cannot only increase the current energy efficiency from 33% to 50.3% (the world's average), but also reduce the cost of terminal supplies of power, cold, steam and hot water. It will become one of the most important means to control CO2 emissions in the next 20 years, and is essential to China's low carbon industrialization and urbanization.
Key Words Natural Gas  Low Carbon Economy  DES/CCHP 
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2
ID:   149942


Design of renewable support schemes and CO2 emissions in China / Wu, Jie; Albrecht, Johan ; Fan, Ying ; Xia, Yan   Journal Article
Wu, Jie Journal Article
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Summary/Abstract The renewable energy targets put forward by the Chinese government need comprehensive incentive schemes. This paper uses a multi-regional CGE model to evaluate two types of renewable support schemes; a subsidy scheme like a feed-in tariff (FIT) with a direct price impact for final consumers and a subsidy scheme without any price impact. We assess the CO2 consequences of both approaches, as well as their impact on economic activity in terms of GDP, industrial structure, electricity generation structure, and regional final demand elasticities of electricity. We find that a support scheme with price impact is much more effective in reducing CO2 emissions while the difference in GDP between the two policies is small. We estimate that the price implications of the support scheme allow for an additional emissions reduction of 113 Mt CO2—or 0.07% of total emissions—in China during 2020–2035. The support scheme with a price impact does not lead to a negative impact on the Chinese economy although there are significant differences among regions. In addition, while the whole country faces an approximately unitary electricity elasticity demand, we find significant differences in electricity demand elasticities among Chinese regions.
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3
ID:   170350


Impacts of China-US trade conflicts on the energy sector / Xia, Yan   Journal Article
Xia, Yan Journal Article
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Summary/Abstract This paper uses a multi-country input-output model to simulate the impacts of the recent China-U.S. trade war. We first examine in detail the list of products subject to additional tariffs, and then use the model to estimate the economic impacts of the trade conflict. Based on the direct and indirect impacts on the energy sector of each country, we then extend the analysis to the issue of global energy demand. Our empirical results indicate that both China and the U.S. suffer from the conflict, although the impacts on China are greater Both countries experience a reduction in energy demand and a general economic slowdown. Although certain countries may benefit from the China-U.S. trade conflict in short-run, a general negative impact on the global economic prospects can affect all. Moreover, a short-term marginal impact on the global energy market is found, but as the consequence of long-term uncertainties and indirect economic impacts, further reductions of global energy demand are expected.
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4
ID:   179736


Structural evolution of energy embodied in final demand as economic growth: empirical evidence from 25 countries / Zhang, Yi; Fan, Ying; Xia, Yan   Journal Article
Fan, Ying Journal Article
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Summary/Abstract Most countries of the world have put forward the goal of striving for carbon neutrality. The goal is hard to achieve by only relying on supply side solutions for the world. Most countries should pay more attention to the potential of energy conservation and emission reduction in the field of final demand. We construct an empirical analytic framework to investigate energy demand characteristics as economic growth from the perspective of final demand, and the results show a U-shaped curve relationship between the ratio of energy embodied in consumption to energy embodied in investment (REECEEI) and real gross domestic product per capita. The REECEEIs of major developing and developed countries are very different. Compare to the average baseline curve scenario, there is a notable conservation potential of energy embodied in final demand for major developing and developed countries. In climate negotiation, the demand for energy embodied in investment of developing countries should be guaranteed because it is the foundation of their economic development. To conserve energy and reduce emissions in the field of final demand, developing countries should focus on the field of energy embodied in investment, while developed countries should focus on the field of energy embodied in consumption.
Key Words Energy  Economic Growth  Climate Change  Carbon Neutrality 
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