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 ...

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

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

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

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

EPA data shows three of those refineries are in trouble with federal law. Some even have a history of violating federal ...

California has agreed to formally repeal much of its controversial Advanced Clean Fleets electric-truck mandate as part of a ...

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

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

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 ...

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