ozone
ozone

A sweeping new proposed rule published in the Federal Register by the Environmental Protection Agency (EPA) on April 6 establishes new nitrogen oxide (NOx) emissions budgets that will require fossil…

The Environmental Protection Agency (EPA) does not intend to revisit national ambient air quality standards (NAAQS) for ozone that the Obama administration issued in 2015, a court filing shows. The…

The D.C. Circuit last week struck down parts of an Environmental Protection Agency (EPA) rule concerning implementation of its 2008 ozone standards, creating new regulatory limbo for the entities required…

New York and Connecticut on January 17 filed suit to force the Environmental Protection Agency (EPA) to curb ground-level ozone blowing in from Illinois, Michigan, Pennsylvania, Virginia, and West Virginia…

Eight northeastern states are again suing the Environmental Protection Agency (EPA) to force the agency to slash emissions of nitrogen oxides (NOx) and volatile organic compounds (VOCs) blowing in from…