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 ...

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

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

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

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

Twin Rivers Technologies will pay $721,000 to settle a lawsuit alleging Clean Air and Clean Water Act violations. The Conservation Law Foundation alleged Twin Rivers released pollutants into the ...

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association ...

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 ...

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.

These partnerships are invaluable for cleaning up toxic sites, implementing the Clean Air Act, the Clean Water Act and funding salmon and orca protections. Historically, 30 percent to 40 percent ...

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