- Decreasing vehicle emissions since 2008 have reduced by thousands the number of deaths attributable to air pollution, yielding billions of dollars in benefits to society. Study findings strengthen the case for policies at the municipal level that encourage EVs while discouraging gasoline vehicles. https://www.hsph.harvard.edu/news/press-releases/decreased-vehicle-emissions-linked-with-significant-drop-in-deaths-attributable-to-air-pollution/ 77 comments science