Dangerous exhaust particles âevading vehicle cleanup systemsâ
www.theguardian.com
1 year agoDangerous exhaust particles evading vehicle cleanup systems'
Technologies to clean up traffic exhaust emissions may not be effective for some types of particle pollution, a study has found.If you stand at the edge of any major road, each cubic centimetre of air that you inhale will typically contain tens of thousands of tiny particles, far smaller than the wavelength of light.