The party-line vote marked the first time in the 55-year history of the Clean Air Act that Congress has moved to weaken the ...

If also passed by the House as expected, the action will be the first time Congress has weakened protections under the Clean ...

Court documents show that CARB intends to repeal the ACF regulations related to so-called "high-priority" fleets and drayage ...

Utah counties are struggling when it comes to clean air, according to a new report from the American Lung Association and ...

One hundred environmental organizations transmitted an April 21st letter to the United States Environmental Protection Agency (“EPA”) ...

From Acadia to Zion, there are health concerns across the National Park System tied to poor air quality conditions that the ...

Lawmakers voted to stop the state from requiring that an increasing share of new trucks sold there have zero emissions.

California Governor Newsom rebukes House Republicans' move to challenge the state's vehicle emissions standards.

The votes called into question California’s waiver from the Clean Air Act of 1970, an authority that has allowed the state to set stricter pollution guidelines. Republicans in the House ...

When it comes to regulating motor vehicle emissions, California has long been different. California was the first state in the nation to ...

My condition came while California’s Clean Air Act waiver was in effect; I am terrified to think how many more will suffer the same condition as I if that waiver were to be diminished.