May 13 (Reuters) - South Korea"s Hyundai Motor Co said on Thursday it planned to invest $7.4 billion in the United States by 2025 to produce electric vehicles, enhance production facilities and develop smart mobility solutions. (prn.to/33E6qMm) (Reporting by Ankit Ajmera in Bengaluru; Editing by Amy Caren Daniel) Our Standards: The Thomson Reuters Trust Principles.