Soumya Karlamangla

For decades, California has been able to adopt its own emissions regulations, effectively setting the bar for carmakers nationally. And for just as long, Republicans have resented the state’s outsize influence.

Bay Area Rapid Transit, the main commuter rail system for the region, was forced to close for most of the Friday morning commute.

State and city officials in California are vowing to uphold protections for immigrants, even as President Trump threatens more action against their jurisdictions.

The mayor of the Silicon Valley city has proposed arresting people who don’t accept offers of shelter. It’s the latest sign of frustrations over tent encampments in California.

The former congresswoman, a progressive Democrat, campaigned on a promise to unite residents in the beleaguered California city. Her challenger, Loren Taylor, conceded on Saturday.

Former Representative Barbara Lee entered the campaign for mayor of the Bay Area city as the favorite. But her main challenger has gained traction after positioning himself as the change candidate.

An unusually long strike in the San Jose area forced a shutdown of buses and light-rail trains. It was a possible harbinger of things to come for transit agencies elsewhere.

The California Coastal Commission has been under siege like never before, alarming environmentalists and raising questions about the future of the 53-year-old state agency.

In less than 48 hours, there was a massacre in Monterey Park and another in Half Moon Bay.

In April, San Francisco residents used an average of 40 gallons of water per day, compared with 137 by those living in Riverside County.

California’s governor vetoed a mandatory kindergarten proposal, as well as an effort to reduce light pollution.