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The implementation of technical energy efficiency and CO2 emission reduction measures in shipping

机译：船舶技术能效和二氧化碳减排措施的实施

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Numerous energy efficiency and carbon reduction technologies have been identified within the shipping sector but their overall implementation remains unknown. It is important to know the implementation in order to establish a credible baseline and evaluate progress towards low carbon shipping. Using a cross-sectional survey of shipowners and operators this paper attempts to gauge the implementation of over thirty energy efficiency and CO2 emission reduction technologies. The results show that whilst there is a good spread of implementation across the different measures, only a select number of measures in each of the categories are implemented at sufficient scale. Secondly, the measures with high implementation have tended to be those that have small energy efficiency gains at the ship level, and the uptake of CO2 reducing technologies, particularly alternative fuels is low despite their high potential for reducing CO2 emissions. If shipping's emissions are to be in line with other sectors in the future and follow a decarbonisation pathway, it would require higher implementation of energy efficiency and CO2 reducing technologies than those driven by current regulations alone.
机译：船运业已确定了多种能源效率和减碳技术，但其整体实施尚不清楚。为了建立可靠的基准并评估低碳运输的进展，了解实施非常重要。本文通过对船东和运营人的横断面调查，试图评估三十多种节能和二氧化碳减排技术的实施情况。结果表明，虽然不同措施之间的实施实施情况良好，但每个类别中只有一定数量的措施才能得到充分实施。其次，具有较高执行力的措施往往是那些在船级获得较小能源效率的措施，尽管减少二氧化碳排放的潜力很大，但减少二氧化碳排放的技术，特别是替代燃料的采用率较低。如果将来船舶的排放与其他行业保持一致，并遵循脱碳途径，那么与仅由当前法规推动的能源效率和二氧化碳减排技术相比，这将需要更高的实施率。

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