Utah Physicians for a Healthy Environment (UPHE) and four local Harley-Davidson dealerships have reached what may be the first proposed Clean Air Act citizen suit settlement, following the group’s successful enforcement action several years ago against the “Diesel Brothers,” hosts of a popular TV show, and their parts distributor, TAP Worldwide. The Sept. 10 proposed consent decree in UPHE v. Harley-Davidson of Salt Lake City, LLC, et al. , in the U.S. District Court for the District of Utah, resolves...