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A disaggregate analysis of ‘excess’ car travel and its role in decarbonisation

Wadud, Zia; Adeel, Muhammad; Anable, Jillian; Lucas, Karen

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Authors

Zia Wadud

Profile image of Muhammad Adeel

Muhammad Adeel Muhammad.Adeel@uwe.ac.uk
Research Fellow in Transport Analysis

Jillian Anable

Karen Lucas



Abstract

This paper measures ‘excess’ car travel for its role in decarbonisation. On average, each English adult travels around 5,680 miles a year and emits 1,006 kg of CO2. However, the top 5% ‘excess’ car users travel 4.8 times and emit 5.7 times the national average. Four binary logistic regression analyses were used to model the probability that people with specified characteristics belong to the ‘excess’ mileage and emitter groups. Results indicated that gender, employment and socio-economic status, household income (higher quintiles), company car availability, residential location and local population density were highly significant correlates of this ‘excess’ travel mileage. Multiple car ownership, business travel by car, multiple international flight frequencies and ownership of larger and diesel cars were positively associated with excess travel and emissions. A mileage rationing scheme targeting the top 20% users can cut emissions substantially (by 26%) compared to targeting ‘excess’ (top 5%) users only.

Journal Article Type Article
Acceptance Date Jul 7, 2022
Online Publication Date Jul 7, 2022
Publication Date Aug 1, 2022
Deposit Date Sep 27, 2022
Publicly Available Date Sep 27, 2022
Journal Transportation Research Part D: Transport and Environment
Print ISSN 1361-9209
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 109
Article Number 103377
DOI https://doi.org/10.1016/j.trd.2022.103377
Keywords General Environmental Science; Transportation; Civil engineering, Structural Engineering, Mobility, Excess consumption, Car use, Mileage, Carbon emissions, Carbon budget
Public URL https://uwe-repository.worktribe.com/output/10012151
Publisher URL https://www.sciencedirect.com/science/article/pii/S136192092200205X?via%3Dihub
Additional Information This article is maintained by: Elsevier; Article Title: A disaggregate analysis of ‘excess’ car travel and its role in decarbonisation; Journal Title: Transportation Research Part D: Transport and Environment; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.trd.2022.103377; Content Type: article; Copyright: © 2022 The Authors. Published by Elsevier Ltd.

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