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

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

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

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

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

THE BUZZ: TO THE TRENCHES — As President Donald Trump and Republicans lead a multi-front assault on sanctuary-city laws, ...

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

A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...

The email sent to employees says those who leave their posts voluntarily will receive about eight months of salary, but they ...

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

Strict noise regulations make the airport dangerous to fly in and out of, a former airline pilot told Newsweek.

The Morro Bay City Council voted unanimously Tuesday to pause the city’s ability to process new battery plant development ...