Former NHTSA Administrator Ann Carlson says losing the endangerment finding could help California regulate vehicle emissions.

Four of the world’s biggest truckmakers say Trump have stripped California of the power to set its own emissions standards.

The California Air Resources Board is continuing to enforce “stringent emission standards” for trucks despite President ...

The Trump administration is seeking to sue California to halt the state from enforcing its effort to electrify its truck ...

The Trump administration is backing a trucking industry lawsuit against the state’s plan to lower emissions and switch to electric vehicles.

The Justice Department is suing California in an effort to block the state's enforcement of emissions standards for trucks. Why it matters: It's the latest battle between President Trump and ...

The U.S. government said on Friday it sued Californiato stop the state from enforcing stringent emissions standards for heavy ...

The DOJ wants to end California’s "Clean Truck Partnership," which aims to curb pollution through engine requirements, electric vehicle mandates and maintenance regulations.

The U.S. Department of Justice has filed lawsuits against California's enforcement of emissions standards for trucks. The legal action aims to dismantle the state's 'Clean Truck Partnership,' citing ...

The U.S. Justice Department has filed lawsuits against California to halt the state's enforcement of emissions standards for trucks. The complaints target the California Air Resources Board's 'Clean ...

Attorney General Mike Hilgers is taking a victory lap after four major semitruck manufacturers his office sued last fall ...

Lawsuit seeks to upend a vital partnership to advance the development of zero-emission vehicles for commercial trucking, reduce pollution and save money ...