General Motors will be hit with charges of about $6 billion as sales of electric vehicles sputter after the U.S. cut tax ...

The Republican-controlled U.S. Senate defied congressional norms and voted Thursday to revoke California’s progressive vehicle emission standards, including a rule that would’ve effectively banned the ...

WASHINGTON, July 24 (Reuters) - The U.S. Environmental Protection Agency plans to repeal all greenhouse gas emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines in the ...

The Biden administration announced new automobile emissions standards Wednesday that officials called the most ambitious plan ever to cut planet-warming emissions from passenger vehicles. The new ...

President Donald Trump signed laws striking down California's ambitious auto emission standards. California's attorney general has filed a lawsuit challenging them. (Gary Coronado / Los Angeles Times) ...

Car mods that are illegal in many states include straight piping your exhaust, using muffler cutouts or bypass valves, or ...