Thread: Cooled EGR
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Old 10-27-2010, 02:23 AM   #21 (permalink)
Piwoslaw
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
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Quote:
Originally Posted by UFO View Post
Maybe you can support that claim. All that I've read about NOx is it requires hydrocarbons and UV to create smog. Modern pollution controls have reduced vehicle HC output to the point that additional NOx control is pointless.
It's not only about smog. From What is Acid Rain and What Causes It?:
Quote:
Scientists discovered, and have confirmed, that sulfur dioxide (SO2) and nitrogen oxides (NOx) are the primary causes of acid rain.

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