"Lyon, France, June 12, 2012 ‐‐ After a week-long meeting of international experts, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), today classified diesel engine exhaust as carcinogenic to humans (Group 1), based on sufficient evidence that exposure is associated with an increased risk for lung cancer."
http://press.iarc.fr/pr213_E.pdf
http://press.iarc.fr/pr213_E.pdf
