Group 1 - The COP30 conference opened in Belem, Brazil, highlighting the country's commitment to climate change issues, with President Lula arriving in a BYD electric SUV, symbolizing the shift towards electric vehicles as a key solution to climate change [1][3] - This year's conference features Chinese electric vehicle brands like BYD and Great Wall as official vehicles, marking a significant presence in the local transportation landscape [3] - BYD's factory in Brazil has produced its 14 millionth new energy vehicle, showcasing the company's expansion in Latin America, while Great Wall has also established operations in a former Mercedes-Benz factory [4] Group 2 - The shift towards Chinese electric vehicles in Brazil reflects a broader trend of Chinese manufacturing taking root in the global automotive industry, particularly in the context of electric and connected vehicles [4] - The absence of a high-level U.S. representative at the conference indicates a shift in global leadership in climate technology, with other nations continuing to advance despite the lack of U.S. involvement [4] - China's recent white paper emphasizes the need for global cooperation in addressing climate change, advocating for a new, more equitable, and resilient low-carbon development model [6]