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-driving technology.

Elon Musk accused the National Highway Traffic Safety Administration of holding back self-driving technology. Elon Musk’s cost-cutting team is eliminating jobs at the vehicle safety agency that oversees Tesla and has launched investigations into deadly crashes involving his company’s cars.

Elon Musk's influence leads to job cuts at the National Highway Traffic Safety Administration, which oversees Tesla. The agency has cut several positions amid ongoing investigations into Tesla's crashes.