评估实际液化天然气排放系数对欧盟排放交易体系的影响

IF 6.3 2区工程技术 Q1 ECONOMICS

Transport Policy Pub Date : 2024-10-22 DOI:10.1016/j.tranpol.2024.10.030

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引用次数: 0

摘要

航运业已被纳入欧盟排放交易体系（EU-ETS）。毫无疑问，碳排放系数是确定欧盟排放交易体系中碳配额（即欧盟配额）的关键考虑因素。本研究对船用液化天然气发动机进行了全性能碳排放测试，以调查实际碳排放系数与参考值之间的差异。结果发现，实际碳排放系数小于参考值。测试结果表明，两者的差异约为 3%，对于一艘年消耗 2000 吨液化天然气燃料的船舶来说，可节省 10,000 至 20,000 美元的 EUAs。此外，在不同的发动机运行条件下，碳排放系数也出现了变化，在恒定的每分钟转数（RPM）条件下，碳排放系数波动约为 2%。这表明需要更合适的排放测试方法，以准确反映实际排放情况，更好地实现排放控制目标。

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Assessing the influence of actual LNG emission factors within the EU emissions trading system

The shipping sector has been incorporated into the European Union Emissions Trading System (EU-ETS). Undoubtedly, the carbon emission factor is a critical consideration when determining carbon allowances in the EU-ETS, known as EU Allowances (EUAs). In this study, an all-performance carbon emission test was conducted on a marine LNG engine to investigate the differences between the actual carbon emission factor and the reference value. It was observed that the actual carbon emission factor is smaller than the reference value. The test results indicate a discrepancy of approximately 3%, resulting in potential savings of 10,000 to 20,000 dollars in EUAs for a ship consuming 2000 tonnes of LNG fuel annually. Furthermore, variations in the carbon emission factor were observed under different engine operational conditions, fluctuating by around 2% at constant revolutions per minute (RPM). This suggests the need for more suitable emission testing methods to accurately reflect actual emissions and better achieve emission control goals.

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来源期刊

Transport Policy Multiple-

CiteScore

12.10

自引率

10.30%

发文量

282

期刊介绍： Transport Policy is an international journal aimed at bridging the gap between theory and practice in transport. Its subject areas reflect the concerns of policymakers in government, industry, voluntary organisations and the public at large, providing independent, original and rigorous analysis to understand how policy decisions have been taken, monitor their effects, and suggest how they may be improved. The journal treats the transport sector comprehensively, and in the context of other sectors including energy, housing, industry and planning. All modes are covered: land, sea and air; road and rail; public and private; motorised and non-motorised; passenger and freight.