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 ...

Critics say the joint efforts are not a coincidence as the restructured agency air program moves to weaken pollution ...

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

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

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 ...

Gov. Gavin Newsom issued a statement in response to the House vote that targeted California's clean vehicles program, stating ...

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

The House on Wednesday voted to axe California’s clean truck rules — defying Congress’s own internal watchdog in doing so.

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

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