Impact of low-emission driving behavior on brake wear PM emissions: insights from a real-world evaluation
Résumé
As vehicle exhaust regulations become more stringent, non-exhaust particulate matter (PM) emissions, particularly from brake wear, which accounts for up to 55% mass of these emissions, have become major contributors to traffic-related PM. However, how low-emission driving behavior influences brake wear PM emissions in real-world conditions remains unclear. In this study, we developed a low-emission driving assistance application and, for the first time, evaluated the realworld impact of low-emission driving behavior (LEDB) on brake wear PM2.5 and PM10 emissions.
LEDB training was implemented for volunteer drivers in Leeds and Helsinki, resulting in average reductions in brake wear PM2.5 emissions by 22.8% and PM10 emissions by 26.1%. Additionally, the promotion strategies for LEDB training are discussed, and the expected emission reduction effects across different implementation scenarios are analyzed. These findings demonstrate that LEDB represents a promising and cost-effective approach that could contribute to reductions in brake wear emissions and improved air quality.
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