| BEV | battery electric vehicle |
| CMB | Chemical Mass Balance receptor model |
| CTM | Chemistry Transport model |
| DAS | Driver assistance systems |
| EF | Emission factor |
| EFTA | European Free Trade Association |
| EMEP/EEA | European Monitoring and Evaluation Programme/ European Environment Agency |
| HDV | heavy duty vehicle |
| LDV | light duty vehicle |
| LM | Low metallic brake pad |
| NAO | Non-Asbesto Organics brake pad |
| NFR | Nomenclature for Reporting |
| OC | organic carbon |
| PAH | polycyclic aromatic hydrocarbon |
| PHEVs | plug-in hybrid electric vehicles |
| PM | Atmospheric particulate matter; atmospheric particles; aerosol |
| PM10 | atmospheric particles with aerodynamic diameter below 10 µm |
| PM2.5 | atmospheric particles with aerodynamic diameter below 2.5 µm |
| PMF | Positive Matrix Factorization receptor model |
| RBS | Regenerative braking system |
| SM | Semi metallic brake pad |
| SMA | stone mastic asphalt |
| SUV | sport utility vehicles |
| TSP | total suspended particles |
| UFP | ultrafine particles |
| UNECE | United Nations Economic Commission for Europe |
| WHO | World Health Organisation |
Non‑exhaust Particulate Emissions from Road Transport
An Ignored Environmental Policy Challenge
