California Air Resources Board
James Pitts, a pioneering smog researcher whose work spurred California’s ground-breaking clean-air regulations, has died. He was 93.
Southern California air quality regulators have announced a major study focusing on the San Bernardino rail yard, a national trade gateway that has also previously found to pose the greatest health risk of any rail yard in the state.
The federal government and California say they will coordinate on new proposals to increase vehicle fuel efficiency for future cars and trucks by Sept. 1.