No.
The reason there haven't been more diesel cars is Detroit's efforts sucked.
I've driven my TDI Beetle to Utah and back and it's very comfortabe and gets 50 mpg-currently have 210k miles on it.
Now, it seems to me the barrier will be the high price of diesel.
However, the siren call is strong:
(broken link removed to http://www.vw.com/vwbuzz/browse/en/us/detail/Jetta_SportWagen_makes_U_S_debut_at_New_York_International_Auto_Show/136)
http://www.autoblog.com/2007/05/08/diesel-vw-jetta-sportwagen-a-real-fuel-sipper/
The reason there haven't been more diesel cars is Detroit's efforts sucked.
I've driven my TDI Beetle to Utah and back and it's very comfortabe and gets 50 mpg-currently have 210k miles on it.
Now, it seems to me the barrier will be the high price of diesel.
However, the siren call is strong:
(broken link removed to http://www.vw.com/vwbuzz/browse/en/us/detail/Jetta_SportWagen_makes_U_S_debut_at_New_York_International_Auto_Show/136)
http://www.autoblog.com/2007/05/08/diesel-vw-jetta-sportwagen-a-real-fuel-sipper/