Core Viewpoint - The successful full-scale venting test of a 10 MPa high-pressure hydrogen pipeline marks a significant advancement in China's hydrogen pipeline safety technology, filling a technical gap in the industry [1] Group 1: Test Significance - The venting test serves as a "safety simulation" for hydrogen pipelines, ensuring the safe and stable long-distance transportation of hydrogen, which is crucial for the widespread application of hydrogen energy [1] - The test addresses the core issue of safely venting hydrogen gas during planned maintenance or emergencies, preventing potential hazards and external impacts [1] Group 2: Testing Methodology - A complete simulation testing platform was constructed to replicate various scenarios for hydrogen gas discharge during pipeline operation, including both non-ignition and ignition combustion discharges [1] - The test evaluated safety performance under multiple pressure and operational conditions, providing valuable data for future large-diameter hydrogen pipeline construction [1] Group 3: Research Outcomes - The test platform enabled the systematic collection of key parameters such as hydrogen concentration distribution, flame structure, thermal radiation intensity, and impact range, enhancing the understanding of hydrogen venting flow and diffusion patterns under high-pressure conditions [1] - The research covered a wide range of conditions, including multi-level pressures from 1 MPa to 10 MPa, various riser heights, pipe diameters, and different configurations of flame arresters [1]

News Focus - The National Development and Reform Commission and the National Energy Administration issued a notice to optimize market pricing for centralized renewable energy generation companies, limiting total installed capacity to not exceed the largest coal-fired power plant in the province [2] Domestic News - The National Energy Administration announced the public listing of experts for the power construction project quality supervision expert database, with 164 proposed experts [2] - The National Mine Safety Supervision Bureau is conducting a nationwide survey on coal mine safety monitoring systems to enhance reliability and promote a shift towards preventive safety governance [2] Industry News - China's largest onshore oil field, Daqing, has achieved a production milestone of over 1 million tons of shale oil, marking a significant step in large-scale efficient extraction [3] - China has led the revision of two international standards for power semiconductor devices, which is a breakthrough in the standardization of global energy conversion and control technologies [3] Automotive Industry - In the first 11 months of 2025, China's automobile production and sales both exceeded 31 million units, with a year-on-year growth of 11.9% and 11.4% respectively; new energy vehicles saw production and sales of 14.9 million and 14.78 million units, growing by 31.4% and 31.2% [4] Hydrogen Technology - The first full-scale venting test of a 10 MPa high-pressure hydrogen pipeline was successfully conducted in China, marking a significant advancement in hydrogen pipeline safety technology [4] International News - A major oil pipeline leak occurred in Brandenburg, Germany, during construction, resulting in a significant oil spill [5] - The U.S. military seized an oil tanker near Venezuela, which has been condemned by the Venezuelan government as an act of "international piracy" [6] Corporate News - China First Heavy Industries has successfully shipped the world's largest EO reactor for the ethylene project, setting a record for the largest diameter and heaviest single EO reactor [7]