How does emission allowance allocation affect shipowners’ selection of emission reduction technologies?

IF 7.7 1区工程技术 Q1 ENVIRONMENTAL STUDIES Transportation Research Part D-transport and Environment Pub Date : 2025-02-01 Epub Date: 2024-12-31 DOI:10.1016/j.trd.2024.104573

Ruqi Zhou , Meifeng Luo , Changmin Jiang , Dong Yang , Kun Wang

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Abstract

The Emission Trading Scheme (ETS) typically allocates free emission allowances through Grandfathering or Benchmarking. However, since 2024, international shipping has not benefited from free allocation in EU ETS. Limited research exists on the implication of this change compared to typical free allocation policies. Shipowners now face the challenge of balancing abatement costs by adjusting speeds and selecting emission reduction technologies to maximize profits. This research employs economic models and simulations to compare policies' effects on shipowners' decisions. Findings reveal that Grandfathering based on historical emissions effectively reduces emissions but may hinder the adoption of efficient emission reduction technology at certain allowance price levels. Benchmarking, linked to current output, promotes the technology adoption but is less emission-efficient than Grandfathering. Non-free allocation in EU ETS, while cost-neutral for technology adoption, impedes the adoption of costlier, low-carbon technologies. This research demonstrates that adaptive policymaking is critical in evolving markets and technology landscape.

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排放配额分配如何影响船东对减排技术的选择？

排放交易计划（ETS）通常通过祖父制度或基准制度分配免费排放配额。然而，自2024年以来，国际航运并没有从欧盟排放交易体系的免费分配中受益。与典型的自由分配政策相比，关于这种变化的含义的研究有限。船东现在面临的挑战是通过调整航速和选择减排技术来平衡减排成本，以实现利润最大化。本研究采用经济模型和模拟来比较政策对船东决策的影响。研究结果表明，基于历史排放的祖父法有效地减少了排放，但在一定的配额价格水平上可能会阻碍有效减排技术的采用。与当前产量挂钩的基准制度促进了技术的采用，但在排放效率方面不如老祖宗制度。欧盟排放交易体系中的非自由分配，虽然对技术采用来说是成本中性的，但却阻碍了成本更高的低碳技术的采用。这项研究表明，适应性政策制定在不断变化的市场和技术环境中至关重要。

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来源期刊

Transportation Research Part D-transport and Environment 工程技术-运输科技

CiteScore

14.40

自引率

9.20%

发文量

314

审稿时长

39 days

期刊介绍： Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.