Jack, I give you credit for coming back with a well thought-out response.
As for increased asthma diagnoses, I'd say that air pollution is just one factor. Changes in health care practices can account for the increased number of diagnoses, for example. The study you show didn't attempt to correlate the trends with environmental factors, or any other factors for that matter.
Regardless of whether most of the sulfur dioxide emitted by vehicles stays near the surface, the connection between SO2 emissions is well established. I've seen the effects of acid rain myself at the summit of Mt. Mitchell in North Carolina. See for yourself at the link below.
You say our way of life is fading. I say I want to leave my children and grandchildren a country that's fit to live in. Last week my wife saw a bald eagle in our front yard. If it weren't for the environmentalists and environmental regulation, eagles would have gone extinct twenty years ago. Do you really want to leave your grandchildren a country that's denuded of vegetation and devoid of wildlife?
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