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TDI (Diesel) Emissions This is a discussion about emissions from TDI's. Pro's cons of Diesels (including biodiesel) effects on the environment and how they compare to Gasoline and other fuel sources for Internal combustion engines.

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Old January 29th, 2003, 09:28   #1
Veteran Member
Join Date: Mar 2001
Location: California, USA
Fuel Economy: 55/52/47 (mpg)
Default Actual NOx emissions for various TDI engines?

What are the actual NOx emissions (not certification levels) for the various TDI engines and future TDI engines offered in the US?

1Z b4 Passat
AHU a3 Jetta
ALH a4 cars
100hp pump injector for a4 cars
136hp pump injector for Passat
V10 for Toureg
the above three engines after 15ppm diesel is everywhere in the US and additional emissions equipment to take advantage of the 15ppm diesel is added
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Old January 29th, 2003, 09:42   #2
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Join Date: Apr 2000
Location: Pacific Northwest
Fuel Economy: Lifetime average: 43mpg
Default Re: Actual NOx emissions for various TDI engines?

A member with a test bench did some meeasurements with biodiesel and petrodiesel. I think it was JoeR or JoeRappa. VW also published emissions data (g/km) for each model in their 1999/2000 Environmental Report. EPA also has the actual certification test data (the acutal test measurements on which they base their ratings) but you have to dig for it. I've posted instructions on how to find it before . . .

Update: Just search this forum for the term "Joe" and you'll find data and/or links to data [img]images/icons/smile.gif[/img]

[ January 29, 2003, 09:53: Message edited by: Dante Driver ]
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