David Beddows: PM10 Emission Factors for Non-Exhaust Particles from Road Vehicles: Dependence Upon Vehicle Mass and Implications for Electric Vehicles
Thursday 11 March 2021, 12:30pm to 1:30pm
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DSNE seminar with David Beddows, University of Birmingham
ELECTRIC VEHICLES:- Will they lower our PM10 emissions?
Governments around the world are legislating to end the sale of conventionally fuelled (gasoline and diesel) internal combustion engine vehicles (ICEV) and it is assumed that battery-electric vehicles (BEV) will take their place. It has been suggested that due to their increased weight, non-exhaust emissions of particles from BEV may exceed all particle emissions, including exhaust, from an ICEV. This paper examines the vehicle weight-dependence of particle emissions from abrasion (brake, tyre and road surface wear) and road dust resuspension and generates a comparison of the two vehicle types. The outcome is critically dependent upon the extent of regenerative braking relative to use of friction brakes on the BEV, but overall there will be only modest changes to the total local emissions of particles from a passenger car built to current emissions standards.
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| Name | Dr Simone Gristwood |