[Vwdiesel] Polo TDI

[Roger Brown]

LBaird119 at aol.com wrote:
> In a message dated 11/27/2007 7:15:48 PM Pacific Standard Time, 
> r.c.brown at ieee.org writes:
> 
>> Funny thing too is I was looking at the Calif. Air Resources Board 
>> particulate data over 
>> the state and guess where the particulates are higher and lower?  LA and the 
>> SF Bay Area 
>> are relatively low and it is the mountainous and desert areas (where 
>> relatively few people 
>> live) where particulates are much higher.
>>
> 
>   One of Jake's college papers was on this subject.  Something
> like almost 90% of all particulates come from the environment 
> and not diesels.  In fact a large portion of car produced 
> particulates comes from gassers as well as diesels.  It's from 
> where the rubber meets the road.  Ground silica as well as 
> rubber bits.  Diesel exhaust is a very small overall part of it.
>      Loren

Yep, it is just that you can see the smoke from the big diesel rig and that is what gets 
the attention.

-- 

   Roger