On February 25, 2015, the U.S. District Court for the Eastern District of Arkansas issued a decision in the case of Nucor Steel-Ark. v. Big River Steel, in which the plaintiff steel company attempted to utilize the citizen suit provision of the federal Clean Air Act (CAA) to stop a competitor from constructing a $1.3 billion steel mill. In the case, the plaintiff steel company alleged that the defendant competitor violated the CAA because the defendant had received a state-issued air quality permit for a new steel mill to be constructed, but had failed to conduct certain air quality modeling… Read more