Without an actual emission rating, it's just another propaganda article.

Cleaner than diesel of the past, yes.

Clean enough to get a SULEV or PZEV rating, highly unlikely.

Cleansing diesel to that degree is expensive and it reduces MPG even more so than with gas.
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I noticed Rob's article is dated "June 15, 2009" and already has 102 vehicle ratings. Yet his Prius article is dated "March 25, 2009" and until just a few minutes ago, had no vehicle ratings. Now I have both the highest and lowest review.

Interesting, the web page would not accept my vehicle VIN so it lists me as "an enthusiast." It does seem to be Canadian centric. Reporting speed in kph and fuel consumption in L/100km would probably work best.

Bob Wilson