A truck powered by hydrogen traveled 1,806 miles on a single tank of hydrogen with zero emissions and set a new Guinness ...

California abandons clean truck, locomotive rules after Biden's EPA doesn't grant waivers needed to depart from federal rules ...

California has abandoned key clean-air regulations ahead of Trump's inauguration, citing potential opposition.

Crews from neighboring states are helping California fight the Los Angeles area fires, and officials say regulations are not holding them up.

Fire trucks traveling from Oregon and other states to help fight the California wildfires were stopped for routine 15-minute ...

According to Oregon and California’s fire departments, trucks were stopped in Davis, California, just outside Sacramento, for maintenance and safety checks, and those trucks continued onward.

California is walking back its efforts to ban diesel trucks in the state just days before President-elect Donald Trump returns to the White House.