This is what Germans say:
Quote:
New gasoline direct-injection engines emit about 1,000 times more particles, including carcinogens, than previous-generation gasoline units, a study by Germany's TUEV Nord independent vehicle researchers said.
[...]
TUEV Nord said in its study that GDI engines also emit about 10 times more particles than new diesels.
http://europe.autonews.com/article/20131...n#axzz2m8euSsmu
Apparently, there are more studies showing the same thing.
Quote:
New gasoline direct-injection engines emit about 1,000 times more particles, including carcinogens, than previous-generation gasoline units, a study by Germany's TUEV Nord independent vehicle researchers said.
[...]
TUEV Nord said in its study that GDI engines also emit about 10 times more particles than new diesels.
http://europe.autonews.com/article/20131...n#axzz2m8euSsmu
Apparently, there are more studies showing the same thing.