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| 1 |
ID:
116975
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2012.
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| Summary/Abstract |
Information on energy consumption and carbon dioxide (CO2) emissions from the iron and steel industry may become important to the assessment of energy saving and the design of emissions trading schemes. This paper focuses monitoring aspects, used two methods to calculate CO2 emission, the European Union Emission Trading Scheme and a method developed by the Japanese Iron and Steel Federation, to investigate the effect of the accounting method on the assessment of energy saving by four model steel mills with different levels of energy efficiency. Depending on the calculation method used, the calculated energy savings and calculated CO2 emissions for a given mill were found to differ from 5% to 15% and 4% to 14% respectively, simply by using different calculation methods. Methodologies that evaluate only CO2 emission and track emissions by process may not fully account for energy saving efforts such as using waste heat, generating power using byproduct gases, and energy management efforts applied over the whole mill rather than on a single process. Points of concern in the iron and steel industry are identified in the areas of calculating energy saving, determining CO2 emissions, and setting benchmarks.
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| 2 |
ID:
109693
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2011.
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| Summary/Abstract |
Energy efficiency in industry plays key roles in improving energy security, environmental sustainability and economic performance. It is particularly important in strategies to mitigate climate change. The evidence of great potential for cost-effective efficiency-derived reductions in industrial energy use and greenhouse gas (GHG) emissions have prompted governments to implement numerous policies and measures aimed at improving their manufacturing industries' energy efficiency. What can be learned from these many and varied initiatives? This paper provides foundation for policy analysis for enhancing energy efficiency and conservation in industry, by surveying more than 300 policies, encompassing about 570 measures, implemented by governments in IEA countries, Brazil, China, India, Mexico, Russia and South Africa. It outlines the measures' main features, their incidence of use, and their connections with specific technical actions and key stakeholders (i.e., how and where measures affect the energy efficiency of industry). It also examines the key features underlying the measures' success: (1) potential to reduce energy use and CO2 emissions cost-efficiently; (2) ease of policy development, execution and assessment and (3) ancillary societal effects.
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