• The National Highway Traffic Safety Administration (NHTSA) in the United States has announced that it will investigate a crash involving a Vietnamese automaker's vehicle in California, in which four people died. The crash occurred on January 1st, when the vehicle, a VinFast electric SUV, collided with another car, causing it to catch fire. The NHTSA's investigation will focus on the vehicle's performance and safety features to determine if any defects or issues contributed to the fatal incident.

• VinFast, a relatively new Vietnamese automaker, has been making efforts to expand into the US market. The company has recently opened its first showrooms in the country and has received regulatory approval to sell its electric vehicles in several states. However, this crash has raised concerns about the safety and reliability of VinFast's products, which will be a crucial factor in the company's success in the highly competitive US automotive market.

• The investigation by the NHTSA is an important step in ensuring the safety of consumers and holding automakers accountable for the performance of their vehicles. The agency has the authority to issue recalls and impose fines if it finds any safety-related defects or non-compliance with federal regulations. The outcome of this investigation will likely have significant implications for VinFast's future in the US market and the broader public's trust in the company's products.