Investment Rating - The report maintains a "Buy" rating for key companies in the autonomous driving sector, including Horizon Robotics, Hesai Technology, Pony.ai, WeRide, Xiaopeng Motors, and Suda Technology [6][8]. Core Insights - The U.S. House of Representatives is reviewing the "SELF DRIVE Act of 2026," which proposes to increase the exemption limit for manufacturers from 2,500 vehicles to 90,000 vehicles, significantly enhancing the potential for Robotaxi mass production [1][2]. - The legislation aims to resolve core obstacles to the scaling of Robotaxi deployment, including the introduction of a "deemed approval" mechanism for exemption applications and establishing federal regulations as a priority over state laws [2][3]. - 2026 is projected to be a pivotal year for the global L4 autonomous driving industry, with the U.S. federal legislative framework becoming clearer and China accelerating its L3 pilot projects and L4 commercialization [1][4]. Summary by Sections Legislative Developments - The "SELF DRIVE Act of 2026" is expected to break a decade-long legislative deadlock, with bipartisan support leading to a clearer timeline for implementation [3]. - Key milestones include committee markup meetings in Q1 2026 and potential integration with the 2026 Surface Transportation Reauthorization Act [3]. Market Expansion - The U.S. Robotaxi market is transitioning from technology validation to large-scale expansion, with companies like Waymo and Tesla ramping up operations [4]. - Waymo's weekly paid orders reached 450,000 by December 2025, with plans to expand operations from 10 to 30 cities [4]. - Tesla's Cybercab is expected to begin mass production in April 2026, further contributing to market growth [4]. Investment Recommendations - The report emphasizes the synchronized development of L4 autonomous driving in both the U.S. and China, suggesting that this convergence will drive significant industry growth [5]. - Companies such as WeRide and Pony.ai are highlighted for their international expansion efforts, while other L4 applications like Robovan and Robotruck are also gaining traction [5].