However, this research doesn't account for the costs associated with other air pollutants released during fossil fuel combustion. (theguardian.com)
He and Salvo are now analyzing how the concentration of other air pollutants in São Paulo, specifically fine particles, change in response to the choices of motorists in the city. (sciencedaily.com)
However, other air pollutants such as ultrafine particles (UFPs)(< 0.1 um) may also contribute to adverse health effects. (treehugger.com)