Introduction to DOT certification in the United States:

The U.S. federal government authorizes the United Stated Department of Transportation (DOT) and the U.S. Environmental Protection Agency (U.S Environmental Protection) in accordance with the National Transportation and Motor Vehicle Safety Act, the Motor Vehicle Carrier Act, the Motor Vehicle Intelligence and Cost Savings Act, the Noise Control Act, the Air Pollution Prevention Act, and the Motor Vehicle Anti-Theft Act Enforcement Order Agency (EPA) formulates and implements automobile regulations related to automobile safety, environmental protection, anti-theft and energy saving, so as to achieve effective government control over automobile product safety, environmental protection, anti-theft and energy saving. ...