Abstract
The advantage of electric vehicles (EVs) in terms of NOx reduction is well established, but their effect on particulate matter (PM) is subject to intense debate. Despite having no tailpipe emissions, EVs still emit PM through non-exhaust sources. In addition, EVs tend to be heavier than conventional vehicles due to their batteries. This chapter reviews the current literature regarding PM emissions from battery EVs. This chapter includes studies that investigate the relationship between weight and non-exhaust emissions, compare the weight of EVs and conventional vehicles, and investigate the PM emissions of EVs and compare with those of conventional vehicles. It is found that results for PM estimates vary significantly, depending on the methodologies used. In particular, resuspension of road dust and secondary PM due to tailpipe aerosols requires more research to reach a consensus. Overall, it appears that EVs do not result in significant reductions of PM and therefore cannot be considered the single solution to urban air pollution.
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