Light-Duty Vehicle Brake Emission Factors

Particulate Matter (PM) air pollution has been linked to major adverse health effects. Road transport still contributes significantly to ambient PM concentrations, but mainly due to the non-exhaust emissions from vehicles. For the first time worldwide, limits for non-exhaust emissions have been proposed by the European Union for the upcoming Euro 7 step. For these reasons, the interest on brake emissions has increased in the past few years. Realistic emission factors are necessary to accurately calculate the contribution of brake emissions on air pollution, but also to estimate the emissions reduction potential of new or existing technologies and of improved brakes formulations. This paper reviews emission factors from light-duty vehicles reported in the literature with a focus on those that followed the recently introduced Global Technical Regulation (GTR 24) methodology on brakes from light-duty vehicles. Reduction efficiencies of non-asbestos organic (NAO) pads, brake dust filters, ceramic discs, coated discs, and regenerative braking are also discussed. Finally, the emission factors are compared with roadside measurements of brake emissions and emission inventories worldwide. The findings of this study can be used as an input in emission inventories to estimate the contribution of brakes in air pollution

GIECHASKIEL Barouch;  GRIGORATOS Theodoros;  DILARA Panagiota;  KARAGEORGIOU Traianos;  NTZIACHRISTOS Leonidas;  SAMARAS Zissis; 

2024-01-18

MDPI

JRC136570

2073-4433 (online),   

www.mdpi.com/2073-4433/15/1/97,    https://publications.jrc.ec.europa.eu/repository/handle/JRC136570,   

10.3390/atmos15010097 (online),