California's affordability crisis could lead to more relaxed emissions standards, according to a plan introduced by state ...

The proposal strikes down all greenhouse gas standards for heavy-duty vehicles and heavy-duty engines, starting with EPA’s ...

The Trump administration has effectively eliminated two rules designed to promote cleaner cars. Now, as the EPA suggests not ...

California air regulators are likely to hear a barrage of criticism Thursday on a plan to slash fossil fuel use and reach carbon neutrality by 2045, a proposal that would require a sweeping shift ...

California emissions proposal would devastate Arizona, Nevada, U.S. economy — and the environment This shows the Phillips 66 refinery in Wilmington near Long Beach.

The proposal regards a previously submitted smog control plan for the San Joaquin Valley, which has long had some of the nation’s dirtiest air.

SANTA CLARA COUNTY, Calif. — Gov. Gavin Newsom was in Santa Clara County on Wednesday to speak about first-in-the-nation zero-emission vehicle investments as laid out in his state budget ...

In an op-ed last month, I explained why California’s market-based approach to climate change isn’t working. Since the 2013 onset of the cap-and-trade program, the centerpiece of the state’s ...

EPA in 2024 set strict emissions standards for heavy-duty trucks covering model years 2027 through 2032. The more than 1,100 ...

California is often touted as a leader on U.S. climate policy and it has set some of the most aggressive rules for regulating vehicle emissions.