Group 1 - The core point of the article is that Hyundai Motor Group plans to invest 1 trillion Korean Won in hydrogen production facilities and an additional 1.3 trillion Korean Won in solar power generation facilities [1] Group 2 - The investment in hydrogen production facilities is aimed at enhancing the company's capabilities in the hydrogen energy sector [1] - The investment in solar power generation facilities reflects the company's commitment to renewable energy and sustainability [1]