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Old 10-19-2015, 04:00 AM   #1
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No Diesel fumes or smoke from VW in Munich

We decided to take a break from living in the Moho for a while to see all of Europe. We rented an apartment, leased a new car, and have gone to most major countries over the last year. Over the year we have noticed and mentioned several times to each other that there is no dodge diesel type clouds of fumes and smoke enveloping the first 5 or 6 cars behind them after a light or any acceleration. About 80% of the cars here are diesel and seems like every other one is a VW. I don't think they use urine to wash the exhaust either.
If the big VW cheat causes up to 40% more emissions, I'd hate to see what ours put out real world. Who got paid to look the other way? When this story breaks maybe the U.S. Gov will crush all the junk that doesn't comply.
Any comments?
Side note- I checked the mileage on 2014 2.0 diesel golf after about 2000 kilometers and it really did get about 50 mpg.
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Old 10-19-2015, 11:58 AM   #2
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About 80% of the cars here are diesel and seems like every other one is a VW. I don't think they use urine to wash the exhaust either.

Could you expand on the Urine Washing Concept?
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Old 10-19-2015, 12:04 PM   #3
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Quote:
Originally Posted by dennis45 View Post
About 80% of the cars here are diesel and seems like every other one is a VW. I don't think they use urine to wash the exhaust either.



Could you expand on the Urine Washing Concept?

DEF technology was used in Europe before the states.


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Old 10-19-2015, 12:13 PM   #4
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DEF technology was used in Europe before the states.


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Right, I am familiar with that but did not know DEF was made with Urine. If that's the case why do you have to pay for the stuff by the gallon? Why not just pee in the tank?
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Old 10-19-2015, 12:14 PM   #5
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I believe it's actually called "urea".
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Old 10-19-2015, 12:19 PM   #6
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I believe it's actually called "urea".
Not the same as Urine? Hmmm, could have been the key to solving all of VW's problems.
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Old 10-19-2015, 12:38 PM   #7
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I think the "using urine to wash the exhaust" is a reference to the joke idea/over simplification that you could pee in the DEF tank when it's low.

DEF (Diesel exhaust fluid) is made up of 32.5% high-purity urea and 67.5% ionized water. Urea important in animal metabolism and this nitrogen rich compound is discarded in urine. Excess urea can form uric acid, first discovered in kidney stones in 1776. The pure urea in DEF also helps break nitrogen oxides formed in lean burn diesel engines into water and nitrogen, harmless exhaust products.

Because Urea and Uric sound like urine, people assume it's all the same. DEF must be pure, any impurities can ruin the scrubber system in a modern diesel engine.
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Old 10-19-2015, 12:44 PM   #8
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I think the "using urine to wash the exhaust" is a reference to the joke idea/over simplification that you could pee in the DEF tank when it's low.

DEF (Diesel exhaust fluid) is made up of 32.5% high-purity urea and 67.5% ionized water. Urea important in animal metabolism and this nitrogen rich compound is discarded in urine. Excess urea can form uric acid, first discovered in kidney stones in 1776. The pure urea in DEF also helps break nitrogen oxides formed in lean burn diesel engines into water and nitrogen, harmless exhaust products.

Because Urea and Uric sound like urine, people assume it's all the same. DEF must be pure, any impurities can ruin the scrubber system in a modern diesel engine.
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Old 10-19-2015, 12:53 PM   #9
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In Europe a number of the smaller clean burn diesel engines do not use urea systems (called AdBlue in Europe) as the NOx limits were not as strict as north america up to Sept 2014. The new Euro 6 is close on NOx so newer smaller European diesels use AdBlue as well.

Moving to Euro 6 is comparable to moving from the EPA 2007 to 2010 standard where we saw DEF come into play in NA with diesels after 2010. Black soot out the tail pipe was resolved in our 2007 emission standard.
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Old 10-19-2015, 02:18 PM   #10
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Urea is used as a nitrogen fertilizer and also in feed for cattle. In cattle the bacteria in the rumen use the Nitrogen from urea to build protein.

p.s. I love my 2010 Diesel Jetta. It is incredibly fun to drive!
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Old 10-19-2015, 05:11 PM   #11
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Meanwhile....
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Old 10-21-2015, 09:36 PM   #12
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Those big Dodges belching smoke have been turned up for "performance".
If you ask me it is very polluting and I would make everyone pass an emissions test, and they wouldn't with all that unburned fuel coming out the exhaust.
Some so black you can't even see behind them. Most must think its cool. I have another word for it.


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Old 10-21-2015, 09:57 PM   #13
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Quote:
Originally Posted by baraff View Post
Meanwhile....
Loved it, thanks!
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