The Department of Justice (DOJ) is threatening to take legal action against California regulators if they implement strict ...

The Department of Justice (DOJ) has issued a warning to California regulators, threatening legal intervention if the state ...

The South Coast Air Quality Management District's vote Friday comes after a federal prosecutor threatened to sue if the rules ...

Air quality regulators in Southern California voted 7 to 5 to reject rules that would have curbed harmful emissions from ...