Yang Shi Wang·2025-11-28 08:30Core Insights - Dongfeng Motor's "Key Technologies and Industrialization for Vehicle Energy Saving and Emission Reduction" project has been recognized as reaching "international advanced" level by experts, showcasing a comprehensive technological breakthrough across the entire vehicle chain from power source to transmission efficiency and vehicle control [1] Group 1: Engine Technology - The M9T hybrid engine, with a displacement of 2.3 liters, has improved overall thermal efficiency from 41.3% to 46.2%, significantly enhancing energy utilization efficiency [3] - The M9T engine can reduce vehicle fuel consumption by 20%-30% per 100 kilometers when applied [3] Group 2: Transmission System - The planetary gear coupling assembly, developed independently by Dongfeng, achieves a transmission efficiency of 91.22%, effectively reducing transmission losses and operating costs [5] - The application of this system can lead to a 2% reduction in fuel consumption per 100 kilometers and a 1% increase in vehicle range [5] Group 3: Vehicle Control Innovations - Dongfeng's 4.5T hybrid light truck integrates fuel consumption simulation with real vehicle energy flow testing, achieving a low fuel consumption of 6.8L/100km under CHTC-LT conditions [5] - This innovation provides a solution for the integration of hybrid systems in the light commercial vehicle sector [5] Group 4: Production and Future Plans - The first hybrid light truck equipped with the M9T engine and planetary gear coupling has rolled off the production line at Dongfeng's Xiangyang factory, with plans to produce 500 units by the end of 2025 [7] - Dongfeng aims to enhance its R&D investment to support energy-saving and carbon reduction initiatives, contributing to the green transformation of the industry [8]