This week, the House of Representatives voted to block the state’s ban on the sale of new gas-powered vehicles, challenging ...

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.

The House took a trio of votes this week targeting California’s decades-old authority to enforce its own environmental ...

Since the Clean Air Act was passed under Republican Richard Nixon’s administration in 1970, the U.S. Environmental Protection Agency has granted California over 100 waivers for its clean air and ...

Governor Gavin Newsom has blasted the measures as both illegal and aimed at “making California smoggy again.” Since the Clean Air Act was passed under Republican Richard Nixon’s administration in 1970 ...

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

The high court this week will hear arguments on whether opponents have standing to challenge the state’s right to set tough ...

California's push to phase out and ban sales of gas-powered vehicles by 2035 is facing a challenge from Congress as auto and ...

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 ...

Both the Senate parliamentarian and the Government Accountability Office have concluded that Congress lacks authority to ...

The Republican-controlled House of Representatives on Thursday voted to block California from enforcing its landmark state ...