President-elect Donald J. Trump has threatened to revoke or challenge all zero-emission vehicle rules and California’s other clean-air standards. By withdrawing its requests for U.S. Environmental Protection Agency approval, the Newsom administration is ...

President Donald Trump’s Environmental Protection Agency is considering rescinding California’s permission to tackle climate change through stringent automobile pollution limits, the administration said in a US Supreme Court filing.

Trump's administration asked the U.S. Supreme Court to pause its review of a case involving California’s stricter vehicle emissions standards

The California Air Resources Board said Tuesday it withdrew its requests for federal approval to implement stricter emissions rules for locomotives and semi-trucks because the U.S. Environmental Protection Agency had yet to approve them. The decision came ...

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, especially in the Upper Midwest and Northern California.

The president noted the need to fight Los Angeles fires, but the water would go elsewhere in the state primarily to aid farmers. Environmentalists complained the move was unlawful.

Truckers see the withdrawal of the state rule as a sign of more rollbacks of emissions rules as the Trump administration prepares to take office.

President Donald Trump on Monday issued a memorandum directing the Secretary of Commerce and the Secretary of the Interior to develop a new

Nebraska Attorney General Mike Hilgers declared victory Tuesday in his fight with California over electric trucks.

California derailed its rule that would have likely killed plans for Burlington Northern Santa Fe’s $1.5 billion Barstow International Gateway project.

In the aftermath of the Southern California wildfires, health experts are warning residents about the possible dangers of toxins still lingering in the air. Ash, smoke and other chemicals can easily seep into homes and buildings,

Following the devastating fires in Los Angeles and Ventura Counties, California Governor Gavin Newsom issued Executive Order N-4-25 to