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payne171 · 02-22-2012, 09:35 PM

I believe VW takes the 1st generation Honda Insight approach to passing emissions; it runs rich for a little to burn off trapped NOx emissions. Not very expensive, but not enough on bigger diesels (aka BMW and trucks) and inherently cuts into FE.

02-22-2012, 09:35 PM	#38 (permalink)
payne171 EcoModding Apprentice Join Date: Feb 2010 Location: central Ohio Posts: 122 Gray Jellybean - '00 Honda Insight 90 day: 62.76 mpg (US) Thanks: 2 Thanked 16 Times in 11 Posts	I believe VW takes the 1st generation Honda Insight approach to passing emissions; it runs rich for a little to burn off trapped NOx emissions. Not very expensive, but not enough on bigger diesels (aka BMW and trucks) and inherently cuts into FE.