LINK Engineering
12 Jan 2023 Brake emissions: Overview of the GTR proposal submitted to GRPE (LINK) PMP-53-07 2023-01-12 LINK
5 Jul 2023 New Research on Brake Wear Particulate Matter Emissions from Several Heavy Truck Vocations in California (ERG, LINK, and Caltrans) PMP-53.3-08 2023-07-05 ERG LINK Caltrans
27 Apr 2023 Brake emissions: Proposal for a new UN GTR on Laboratory Measurement (Cheat Sheet summary) (LINK) PMP-53-09 2023-04-27 LINK
10 Jan 2024 Brake Emissions from Heavy Truck Vocations Based on STATE OF CALIFORNIA REPORT # CA21-3232 (Caltrans, ERG, and LINK) PMP-54-15 2024-01-10 Caltrans ERG LINK
27 Feb Comments for GTR 24 and UN R179 amendment (LINK) PMP-56.1-09 2026-02-27 LINK