Mishaps with equipment manufacturers, maintenance crews and power suppliers are threatening fleets’ transition from diesel engines.

Hundreds of Altadena residents, encouraged by L.A. County Supervisor Barger, vow to return, but we need to balance risks and ...

California lawmakers notched key environmental victories in 2024, but the state’s overall standing on climate leadership dropped, according to the advocacy organization California Environmental Voters ...

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the ...

FRESNO, Calif. (KFSN) -- The sale of new diesel trucks in California won't have to hit the brakes any time soon. That's ...

The plot has thickened in the ongoing saga of California OHV registrations following the sundowning of the Red Sticker ...

Love’s Travel Stops built a new travel center in California even as diesel was targeted for phase-out; now that’s not an ...

A California state legislator has introduced a bill seeking to halt funding for California’s high speed rail project from the ...

I recently published a post questioning the legality of the California Air Resources Board's Enforcement Notice. The ...

Heavy-duty truck manufacturers and dealers are caught in a swirl of shifting and conflicting rules over zero-emissions big ...

San Diego Mayor Todd Gloria has been appointed to the California Air Resources Board by Governor Gavin Newsom, awaiting ...

A study led by the University of California, Irvine Joe C. Wen School of Population & Public Health highlights the need for improved wildfire preparedness tailored to disadvantaged communities in ...