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 ...

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

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

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

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

American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

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

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

Republicans say the U.S. Environmental Protection Agency was wrong to reinstate the state's air pollution lawsuit policy ...

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

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

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