旧金山突发大规模停电！波及约13万用户，无人驾驶车当街“瘫痪”

Core Viewpoint - A significant power outage occurred in San Francisco on December 20, affecting approximately 130,000 users, with over 20,000 still without power by the morning of December 21 [1]. Group 1: Power Outage Details - The first outage began at around 9:40 AM, impacting about 15,000 households and businesses, followed by a second outage at 10:10 AM affecting around 25,000 users [3]. - By 5:30 PM on the same day, Pacific Gas and Electric Company (PG&E) could not provide an estimated time for power restoration, coinciding with the peak shopping and social period before Christmas, leading to many businesses closing [3]. Group 2: Emergency Response and Impact - The city activated an emergency operations center to coordinate the response, while the cause of the outage remained unclear initially [5]. - A fire at a PG&E substation was reported to have caused part of the outage, which also led to traffic signal failures and disruptions in public transportation services [5]. Group 3: Impact on Autonomous Vehicle Services - Waymo, a subsidiary of Alphabet, reported that its autonomous ride-hailing service was suspended due to the power outage, causing significant traffic congestion in the city [5]. - Waymo is working closely with city officials to learn from this incident and restore services in the San Francisco Bay Area [5]. Group 4: Industry Context - Waymo has been operating its autonomous taxi service in San Francisco for over two years, with plans to expand to Las Vegas, San Diego, and Detroit in 2024 [6]. - Unlike Waymo, Tesla's autonomous taxi service was not affected by the outage, as it has not yet received permission for fully autonomous operations in California [6]. - A transportation researcher noted that the incident highlights overlooked issues in the design and development of autonomous vehicle technology, emphasizing the need for human oversight in highly automated systems [9].