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

The South Coast Air Quality Management District will hold a summit in Palm Desert to discuss the topic of Coachella Valley blow sand and dust, the agency announced Thursday. Riverside County ...

The Trump administration dismissed members of the Environmental Protection Agency’s Clean Air Scientific Advisory Committee and Science Advisory Board Tuesday, a day before the confirmation of new ...

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 ...

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 ...

Chevron is directing customers to urge lawmakers to rethink carbon emissions legislation, which it claims will lead to higher ...