The Environmental Protection Agency and California Air Resources Board have established that NOx and particulate emissions ...

Residents across Southern California woke up to pouring rain Friday as a storm system continued to move through the region.

Good afternoon and Happy Friday readers! In today’s edition of Daily on Energy, Callie and Maydeen are wrapping up the week by looking at the Senate plans for reconciliation and the vote this morning ...

The second in a pair of back-to-back storm systems moved over the Southland overnight and continued into the early morning hours Friday, leading to wet roads, a mudslide on Pacific Coast Highway and ...

Why does the 15 freeway become a state route and not remain as an interstate south of Interstate 8 in San Diego?

WEST SACRAMENTO, Calif. — Construction on Highway 50 and Interstate 80 in Yolo County, including over the Yolo Causeway, is ...

Trump Directly Calls for U.S.A.I.D. to Be Shut Down The ousted director of federal prisons contests her firing, citing civil service rules. Vance calls for reinstatement of DOGE worker who ...

Called dowel bars, these metal rods might be saving Californias zillions of dollars by extending the life of concrete lanes.

The second in a pair of back-to-back storm systems moved across Southern California overnight, triggering small mudslides in the Palisades Fire burn area and keeping public works crews and first ...