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I would be the first to admit that hybrids generally make more sense in urban driving than small diesel vehicles. Speaking just for myself, I do...
I have a BMW 335d complete with DPF and urea-SCR. I have never been able to produce ANY "smoke" from the car no matter hard hard I've "gotten on...
Perhaps early DPFs were subject to high failure rates, but as far as I know, light-duty diesel vehicles currently can't be certified (in either...
@ GrumpyCabbie, Are you aware that the EU is about to set a particle number (PN) emission limit on gasoline vehicles? According to the California...
Didn't you mean NOx? Not to get in a scientific debate on this topic (I don't disagree that NOx is an air pollutant), but current...
There are different standards for gas and diesel cars in Europe, although I'm not sure it's fair to say that diesels are really allowed to pollute...
Are you European members aware that the EU will set a particle number emission limit for petrol vehicles in 2014? According to CARB, if the limit...
It explicitly states in the OP linked press release that the vehicle comes with a particulate filter (FAP): Smoke/PM emissions should be a...
According to a 2004 report from Toyota Motor Corporation... http://www.mizuho-ir.co.jp/english/knowledge/report/pdf/wtwghg041130.pdf ...the...
In my opinion as an atmospheric scientist, IF overnight charging of BEVs results in greater load on coal-fired electric generation at night,...
The "unadjusted" EPA mileage data are available at Download the Fuel Economy Database (2010 datafile). According to that source, the unadjusted...
By the way, if anyone is curious, I've found that the mileage drop on my 2002 Jetta TDI to be relatively small in the winter (from about 48 mpg in...
Bob, I've found your engineering contributions, along with the contribution of others, to be very beneficial. Thank you for taking the time to...
That's true, but unfortunately, it's vastly more complicated than that. NOx and HC are required for ground-level ozone (“smogâ€) to form...
Bob - I don't disagree. But you're not suggesting that the evaporative emissions from diesel vehicles are in the same ball park as gasoline...
That's exactly why I tried to convert all of the metrics to g/mi. The 2-day/3-day diurnal test is in "g/test". Actually, the 3-day diurnal is the...
Sorry Jayman, I disagree with you on this point. NOx IS a necessary component for ozone formation. It is the source of "odd" oxygen which comes...
Hi Bob, Just noticed you did include some evap emissions in your table. Sorry I didn't notice before my last post. Based on my analysis of...
Bob, Now you just need to add the evaporative emissions into your table.
Hi Bob, Looks like you're reading it correctly, but the CARB "smog score" is problematic on at least two fronts. First, the "smog score"...
