Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Real-World Contribution of Electrification and Replacement Scenarios to the Fleet Emissions in West Midland Boroughs, UK

Version 1 : Received: 14 January 2021 / Approved: 15 January 2021 / Online: 15 January 2021 (14:22:04 CET)

A peer-reviewed article of this Preprint also exists.

Osei, L.K.; Ghaffarpasand, O.; Pope, F.D. Real-World Contribution of Electrification and Replacement Scenarios to the Fleet Emissions in West Midland Boroughs, UK. Atmosphere 2021, 12, 332. Osei, L.K.; Ghaffarpasand, O.; Pope, F.D. Real-World Contribution of Electrification and Replacement Scenarios to the Fleet Emissions in West Midland Boroughs, UK. Atmosphere 2021, 12, 332.

Journal reference: Atmosphere 2021, 12, 332
DOI: 10.3390/atmos12030332

Abstract

This study reports the likely real-world effects of fleet replacement with electric vehicles (EVs) and higher efficiency EURO6 vehicles on the exhaust emissions of NOx, PM, and CO2 in the seven boroughs of the West Midlands (WM) region, UK. National fleet composition data, local EURO distributions and traffic compositions were used to project vehicle fleet compositions for different roads in each borough. A large dataset of real-world emission factors including over 90,000 remote-sensing measurements, obtained from remote sensing campaigns in five UK cities, was used to parameterise the emission profiles of the studied scenarios. Results show that adoption of the fleet electrification approach would have the highest emission reduction potential on urban roads in WM boroughs. It would result in maximum reductions ranging from 35.0-37.9%, 44.3-48.3%, 46.9-50.3% for NOx, PM, and CO2, respectively. In comparison, the EURO6 replacement fleet scenario would lead to reductions ranging from 10.0-10.4%, 4.0-4.2%, and 6.0-6.4% for NOx, PM, and CO2, respectively. The studied mitigation scenarios have higher efficacies on motorways than on rural and urban roads because of the differences in traffic fleet composition. The findings presented will help policymakers choose climate and air quality mitigation strategies.

Subject Areas

On-road emissions; Real-world assessments; Electrification; Fleet renovating; Mitigation strategies; West Midlands

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