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RCR新文:前进一步,后退六里:自动驾驶汽车采用中的回弹效应

  • 2026-05-13 08:40:27
RCR新文:前进一步,后退六里:自动驾驶汽车采用中的回弹效应

图文摘要

自动驾驶共享出行对交通行为与环境影响的分析框架

文章信息

原文标题:

One mile forward, six miles back: A rebound effect in autonomous vehicle adoption

原文作者:

Wissam Kontara,*Omid Armantalaba,

Soyoung Ahn bAndrea Hicks b

作者单位:

a 美国内布拉斯加大学林肯分校土木与环境工程系;美国威斯康星大学麦迪逊分校土木与环境工程系

关键词:

自动驾驶汽车;回弹效应;非线性;环境影响

原文链接:

https://www.sciencedirect.com/science/article/pii/S0921344926000947

文章亮点

1. 实证发现自动驾驶共享出行存在环境回弹效应,替代步行、骑行等低碳方式会抵消减排收益。

2. 量化关键结论:1英里步行/骑行被替代,需减少6英里私家车行驶才能平衡PM2.5排放,呈现显著非线性替代特征。

3. 自动驾驶共享出行主要竞争5英里内短途出行,与微型出行(步行、骑行、滑板车)高度重叠,加剧环境负面影响。

4. 市场层面看似减排,出行层面实际排放上升,揭示宏观与微观结果的背离。

5. 提升自动驾驶能效(向电动化转型)可缓解回弹,但无法完全消除替代低碳方式带来的环境损失。

6. 基于芝加哥大规模RP/SP混合调查数据,结论更贴近真实出行选择行为。

文章导读

自动驾驶汽车被普遍视为低碳交通的重要方向,但其普及背后暗藏环境回弹风险。本文以芝加哥出行数据为基础,聚焦自动驾驶共享出行的交通方式替代规律,首次量化揭示“短途替代低碳出行、长途替代私家车”的双重效应:前者带来的排放增量,远大于后者产生的减排收益,形成“前进一步、后退六里”的非线性回弹。研究打破 “自动驾驶天然环保” 的认知,指出其环境效益高度依赖替代对象——仅当替代私家车时减排有效,而替代步行、骑行则会显著推高排放。同时,文章明确自动驾驶在短途出行的竞争劣势,为城市交通政策制定、自动驾驶商业化布局与低碳出行体系构建提供了关键实证依据,也为下一代智能交通系统的可持续设计指明方向。

文章摘要

     本研究探究自动驾驶(AV)共享出行技术普及带来的能源与环境回弹效应。研究采用普及模式与市场份额竞争框架,揭示自动驾驶汽车因燃油效率提升与出行属性优化所带来的环境收益,如何被非预期的交通方式转移所抵消。分析基于美国伊利诺伊州芝加哥市的显性偏好与陈述偏好(RP/SP)出行调查数据。结果表明,自动驾驶共享出行在替代私家车时可降低排放,但常替代步行、骑行等高能效出行方式,进而削弱减排效果。具体而言,用1英里自动驾驶共享出行替代1英里步行出行,需减少多达6英里的私家车行驶里程才能抵消新增排放。在传统交通、公共交通与微型出行的现有竞争格局中,这种替代幅度的非线性特征不利于自动驾驶技术的环境效益实现。本研究证实了系统性的环境回弹效应,对下一代交通系统具有重要启示。

表1. 适配质量统计

表2. 混合logit模型估计

表3. 按交通方式划分的伽马分布统计数据

图1. 收集数据的模式分布

图2. AV共享出行替代模式:(a, b)替代概率和出行类型;(c, d)不同出行方式的出行距离分布

图3. 关于(a)对自动驾驶汽车的感知风险,(b)对自动驾驶技术的信任,(c)预期的环境影响以及(d)拼车偏好的调查结果

图4. 市场份额竞争和出行级别竞争对环境的影响。百分比变化基于RP和SP的比较。负值(绿色)表示排放减少,正值(红色)表示排放增加

图5. 按交通方式、自动驾驶汽车效率和排放类别替代的车辆里程。每根条形图显示了需要多少自动驾驶汽车里程来抵消替代原有交通方式一英里所产生的排放,标记表示效率情景。数值大于一表示需要多于一英里的自动驾驶汽车里程才能收支平衡

原文信息

Abstract

This study investigates the presence of an energy and environmental rebound effect from the adoption of autonomous vehicle (AV) ride-sharing technologies. We take an adoption pattern and market share competition framework to show how environmental gains from increased fuel efficiency and favorable travel attributes of AVs may be offset by unintended modal shifts. The analysis is informed by a revealed and stated preference (RP/SP) travel survey data collected in Chicago, Illinois. Our results show that while AV ride-sharing reduces emissions when replacing personal vehicles, it frequently substitutes energy-efficient modes such as walking and biking, thereby undermining these gains. Specifically, we show that substituting a one-mile walking trip with an AV ride-sharing trip requires the displacement of up to six miles of personal vehicle travel to offset the resulting emissions. This non-linearity in magnitude of substitution works against AV technologies in the current competition between traditional, public, and micro-mobility options. The study reveals a systematic environmental rebound effect with important implications for the next-era transportation systems.

本期编辑

孙晓琦,重庆大学经济与工商管理学院,博士研究生

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  1. CONNECT:[ UseTime:0.000603s ] mysql:host=127.0.0.1;port=3306;dbname=e_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000934s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000356s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000269s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000466s ]
  6. SELECT * FROM `set` [ RunTime:0.000204s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000627s ]
  8. SELECT * FROM `article` WHERE `id` = 495783 LIMIT 1 [ RunTime:0.000446s ]
  9. UPDATE `article` SET `lasttime` = 1779456400 WHERE `id` = 495783 [ RunTime:0.012882s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000475s ]
  11. SELECT * FROM `article` WHERE `id` < 495783 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000682s ]
  12. SELECT * FROM `article` WHERE `id` > 495783 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000438s ]
  13. SELECT * FROM `article` WHERE `id` < 495783 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000948s ]
  14. SELECT * FROM `article` WHERE `id` < 495783 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000971s ]
  15. SELECT * FROM `article` WHERE `id` < 495783 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000737s ]
0.091452s