Quote:
Originally Posted by azoomm
Mike, the numbers I posted are from the study in the article YOU posted. Didn't you read them?
The off-road emissions reported are significantly less than those reported for on-road. My problem is with HOW they came up with their numbers. They are all estimations that aren't outlined as to how they came up with their estimations. Meaning - did they use a Harley, DRZ, VFR, 998, CBR, or Vespa for their research?
They [you] are throwing numbers at me that are ESTIMATES without being substantiated. That is the problem.
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I don't know how they came up with these numbers.
But I have seen systems iirc being run in Ca which uses a laser to shine on exhaust as it's coming out of the vehicle while it's traveling down the road, where they can tell how much pollution is coming from each vehicle as it passes by. So they very well could have used empirical data taken from actual traffic.