Steep Decline In NOx May Limit Impact Of ‘Good Neighbor’ Rule Stays

New EPA data shows a steep national decline in ozone-forming nitrogen oxides (NOx) from power plants, driven largely by reduced coal use, indicating that current stays of the Good Neighbor Plan (GNP) interstate ozone rule or even its ultimate rejection by the courts might have less impact on air quality than initially thought. Data released by the agency Nov. 30 shows that in the 10 states now implementing the GNP for power plants, NOx emissions fell by 18 percent from...