On January 2, 2026, the D.C. Circuit declined to rehear en banc its prior order restoring the Clean Air Act’s (CAA) Title V affirmative defense ...

The U.S. Department of Justice on Wednesday announced it's pausing criminal prosecutions of diesel "delete" procedures under ...

In its Friday update, the EPA said, "These plants are vital to delivering reliable and affordable energy to Colorado families." ...

MACH Engineering reports factory air emissions harm health, environment, and businesses. Controlling emissions is vital for ...

MACH Engineering reports that industrial air pollution harms economies by increasing healthcare costs and reducing ...

The United States Environmental Protection Agency (“EPA”) and CHS, Inc. (“CHS”) entered into an October 16th Expedited Settlement Agreement ...

The U.S. Environmental Protection Agency on Friday rejected Colorado’s latest air-quality plan aimed at improving visibility in the state’s national parks and wilderness areas, saying the measure ...

One year since President Trump took office, his administration, along with Congress, have taken over 250 actions to unleash ...

Effective dust control supports optimal working conditions, as well as compliance with dust emissions standards and ...

The impressive climb performance of the 757 makes it feel like a fighter jet.

For more than five decades, the Clean Air Act has prevented millions of premature deaths, hospitalizations, and lost work and school days. By one official reckoning in 2011, the act’s limits on ...

The Trump administration Wednesday announced it would stop enforcing certain criminal violations of the Clean Air Act.The move signals President Donald Trump and his administration's latest action to ...