Quote:
Originally Posted by oil pan 4
Well I hope it works because I was in L.A. in 2003, 2004, 2005 and 2009 and it was a smog hole.
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Me too, since I live here. Hahaha! Anyway, here is promising data. I am sure the reasons are as much or more due to the hated smog inspections and removal of old vehicles from the road as it is due to changes in the energy generation mix:
And two articles of interest:
https://news.usc.edu/97920/southern-...ratory-health/
and
https://blog.mysidewalk.com/combatin...y-f6f55cf8d711