Charles Stanier, associate professor of chemical and biochemical engineering and associate faculty research engineering at IIHR--

This is in part triggered by the more stringent focus on ozone air pollution, which has been a problem in coastal areas of the Great Lakes and Eastern U.S. for decades.
For more on the white paper and the issue, go to http://user.engineering.uiowa.edu/~cs_proj/pres_pubs.htm.