Research and analysis

Mitigating emissions of fine particulate matter from road transport

Review of current and future technologies for mitigating emissions of fine particulate matter (PM2.5) from the wearing of brakes, tyres and road surfaces.

• From: Department for Transport
• Published: 30 December 2025

Documents

Review of PM2.5 reduction technologies for on-road transport: horizon scanning report

Ref: T0018 TETI0037

PDF, 1.18 MB, 47 pages

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email webmasterdft@dft.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Desk-based review of current and future technologies for mitigating fine particulate emissions, particles with a diameter of 2.5 micrometres or less (PM2.5), from road transport.

The review considered technologies that focused on preventative measures to reduce emissions and those that targeted active removal from the source.

Ricardo completed the report on behalf of the Department for Transport.

Published 30 December 2025