23 states sue Trump to keep California’s stricter auto emission rules. National Highway Traffic Safety Administration has blocked California from setting its own rules for how much pollution can ...

The National Highway Traffic Safety Administration has laid off 4 percent of its workers, a transportation official said. The agency has raised questions about crashes involving Tesla’s self ...

FILE - Traffic navigates Hollywood Freeway in Los Angeles, Dec. 12, 2018. The National Highway Traffic Safety Administration, the U.S. government agency charged with keeping the roads safe, is ...