“We all deserve to have clean air to breathe and clean water ... including regulations for motor vehicles, power plants and other pollution sources. Environmentalists and climate scientists ...

WASHINGTON (AP) — In what he called the “most consequential day of deregulation in American history,” the head of the ...

On a gray March afternoon at the Port of Los Angeles, the largest in the U.S., powerful electric top-handlers whir, beep and grind as they motor back and forth, grabbing trailers ...

Natalie Johnson has a mass spectrometer mounted inside a Ford E-350 that she drives to disaster areas to collect air samples.

which says the state’s Air Pollution Control Board “may adopt by regulation and enforce any model year standards relating to the control of emissions from new motor vehicles.” While that ...

PM consists of microscopic airborne solid and liquid particles of various origins that remain suspended in air for any length of time ... typically from combustion processes, such as motor vehicles ...