EPA's requirement, adopted in response to section 126 petitions, that sources in a number of eastern states reduce NOx emissions was recently upheld by the Court of Appeals for the District of Columbia Circuit.
Many states do not want to reduce NOx emissions because it will adversely affect their economies.
mnli hypothesis: Many states do not want to reduce NOx emissions because it will adversely affect their economies. premise: EPA's requirement, adopted in response to section 126 petitions, that sources in a number of eastern states reduce NOx emissions was recently upheld by the Court of Appeals for the District of Columbia Circuit.