Most North American school buses and transport trucks are powered by dieselfuelled engines. Diesel has become the fuel of choice because it is considered more economical. However, as evidence grows about the connection between diesel exhaust, air pollution and ill health, so does public pressure to use cleaner fuels and vehicles.
Published Sep 3, 2002
Weir, E. (2002). Diesel exhaust, school buses and children’s health. Cmaj, 167(5), 505. https://www.cmaj.ca/content/167/5/505.short