http://webpages.charter.net/lmarz/emissions.html
I'll be the first to admit i didnt read it all since i am at work but i'll take a few quotes directly from the article, which mentions dpf filter which means its relatively new.
" Gasoline PM strongly active for DNA damage and for chromosomal damage • Diesel PM strongly active for DNA damage and weakly active for chromosomal damage • Gasoline SVOC strongly active for DNA damage and chromosomal damage • Diesel SVOC inactive or weakly active for DNA damage or chromosomal damage"
Source: In Vitro Genotoxicity of Gasoline and Diesel Engine Vehicle Exhaust Particulate and Semi-Volatile Organic Compound Materials, L Liu, M Keane, M Cui, M Ensell, W Miller, K Kashon, T Ong, W Wallace; National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention; DEER Conference, August 2002
Mammalian cell genotoxicity at 30 degrees F:
"• Gasoline PM strongly active for DNA damage and for chromosomal damage • Diesel PM weakly active for DNA damage and for chromosomal damage • Gasoline SVOC weakly active for DNA damage; strongly active for chromosomal damage • Diesel SVOC inactive or weakly active for DNA damage or chromosomal damage"