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 ...

State Representative Justin Pearson called out multiple City of Memphis and Shelby County officials over their silence amid ...

Congress is one step closer to barring California from enforcing its own emissions standards and banning sales of gas-powered ...

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 ...

After withdrawing its EPA waiver request in January for the ACF rule, CARB has now indicated its intent to officially repeal ...

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

Colorado is now in severe violation of two federal ozone pollution standards, and it must find a way to reduce that pollution ...

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

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.