Hi Scott,
Good point about the emission/mile measure. I think some areas are
trying to do that, but know not where or how well it's working.
Just for the halibut, have you any knowledge of the emissions from your
employer-supplied daily driver?
Bob
On Sun, 7 Sep 1997 03:26:21 +0000 "Scott Gardner" <gardner@lwcomm.com>
writes:
>>
>I really don't think it's fair to say that an airpump simply "dilutes
>the exhaust". As I understand it, the air pumped into the exhaust
>helps complete combustion of some of the hydrocarbons that would
>otherwise blow out the tailpipe unburned. In that sense, an air pump
>reduces both the percentage of unburned hydrocarbons in the exhaust,
>as well as the total WEIGHT of hydrocarbons in the exhaust.
> This is not to say that I'm fond of the current testing
>methods.
>I've always thought a more fair benchmark would be something on the
>order of "micrograms of hydrocarbons emitted per mile traveled", or
>similar units, as determined by a run on a rolling road dyno. A car
>could put out only half the %CO and ppm HC as my car, but if I'm
>getting three times the mileage he is, his is still the more
>pollutive of the two.
>Scott
>
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