Core Viewpoint - The 15th National Games, held from November 9 to 21, marks the first joint hosting by Guangdong, Hong Kong, and Macau, and introduces a "carbon neutrality" goal for the event [1] Group 1: Event Overview - The event emphasizes a "green, shared, open, and clean" philosophy, integrating the concept of "waste-free" throughout the organization process [1] - Urban sanitation serves as the "first window" of the event's image, focusing on efficient cleaning while achieving low carbon emissions and noise control [1] Group 2: Technology and Equipment - Various types of new energy sanitation vehicles, including 18-ton pure electric sweepers and L4 autonomous driving vehicles, are deployed for road cleaning and maintenance during the event [1][2] - The 18-ton pure electric sweeper features a new generation high-energy battery and efficient electric drive, saving over 16% energy compared to similar products, with a single charge supporting 8 hours of continuous operation and covering 80-100 kilometers [1] Group 3: Automation and Management - L4 autonomous sanitation vehicles utilize a multi-sensor fusion perception system for 360-degree environmental recognition, automatic obstacle avoidance, and precise path planning [2] - An integrated management system connects all event support vehicles to a smart network cloud control platform, allowing real-time monitoring of vehicle status, energy consumption, and operational progress [2]