But, they have all those blue and green emblems on the back. :/
When I see these cars getting floored and I see the dark grey/black smoke coming out I often wonder, this must be super healthy for all of us.
When I see these cars getting floored and I see the dark grey/black smoke coming out I often wonder, this must be super healthy for all of us.
The health problem with NOx (as I understand it) is that it will react with oxygen producing ozone and therefore smog, if there is enough in the air.
If the US standards get much stricter there will have to be PM filters on gasoline cars too.