The Fifth Circuit stayed EPA's regional haze plan for Oklahoma and Texas until the underlying petitions for review challenging the rule are resolved. Texas, energy companies, power plants, and others challenged EPA's action disapproving Oklahoma's and Texas' plans and imposing its own plans instead....

A district court ordered EPA to impose a "good neighbor” federal implementation plan (FIP) for Texas with respect to the 1997 fine particulate matter (PM2.5) NAAQS. In 2015, the D.C. Circuit invalidated portions of EPA's Cross-State Air Pollution Rule, which included a FIP addressing interstate tr...

A district court dismissed on summary judgment environmental groups' lawsuit against a mining company for alleged SIP violations as it relates to NAAQS for coarse particular matter (PM10). Under the Utah SIP's "material moved" provision for PM10, total material moved (ore and waste) may not exceed 1...

The Eighth Circuit affirmed a lower court decision dismissing a steel company's CAA citizen lawsuit seeking injunctive relief to stop a competitor from constructing or continuing to construct a steel mill. Arkansas's environmental agency already issued the competitor a preconstruction PSD permit. Ne...

The Sixth Circuit upheld a lower court decision sentencing an individual to 60 months in prison and ordered the individual and his co-defendants, jointly and severally, to pay $10,388,576.71 in restitution to EPA for asbestos NESHAPS violations. The individual and co-defendants formed a salvage comp...