Originally Posted by maswastage
Emissions regulations in the US are more stringent when it comes to particulate and nitrogen emissions, two areas where diesels traditionally do worse than gasoline engines. The Diesel Particulate Filter in modern diesels allows them to comply with regulations when it comes to particulates, and urea exhaust injection allows them to comply with nitrogen emissions regulations. The problem is fitting the vehicles with these systems and making it cost effective, but that's a challenge I think BMW is more than capable of meeting.
Well VW does it. And those Jetta TDIs, many of them manuals and many of them wagons, are not gathering dust on the dealer lots.