Citizens Win Landmark Ruling Setting Standing, Mobile Source Precedents

March 19, 2019
A federal district judge in Utah is backing a citizen suit alleging diesel aftermarket parts makers violated the Clean Air Act (CAA), with the decision notable because it may be the first successful private enforcement case against a mobile source manufacturer and because it granted standing to the plaintiffs even though the emission contribution of the alleged violations was small. As a result, industry sources expect environmentalists to cite the ruling in an effort to bring similar suits in other...


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