Electric cars and particulate matter: how do they go together?
Air pollution has been with us since the beginning of industrialisation. It is omnipresent, especially in cities. However, with technological progress and the relocation of factories away from city centres, air quality has improved in most wealthy countries. A major source of air pollution, the internal combustion engine, seems to be slowly being replaced by electric cars. But are electric cars really the environmentally friendly alternative they appear to be?