California fights America's worst smog with the country's toughest environmental regulations. But is the Golden State really ...

Following the eco-friendly order, the California Air Resources Board will begin developing regulations that mandate 100 percent of in-state sales of new passenger cars and trucks are zero-emission.

Trucking companies and local governments warn the California Air Resources Board that the mandates would be unachievable as environmental justice advocates laud the ambitious regulation they ...

California's Air Resources Board has voted Friday night to change fuel standards to reduce emissions and improve air quality, which would increase the price of gas up to 65 cents more per gallon.

The San Joaquin Valley Air Pollution Control District, California Air Resources Board and U.S. Environmental Protection Agency are the primary regulatory agencies with a legal duty to ensure sources ...

The American Institute of CPAs and the California Society of CPAs sent a joint comment letter to the California Air Resources Board asking for changes in the state's climate risk disclosure rules.