近日，东风股份"整车节能减排关键技术及产业化"项目通过专家鉴定，其整体技术被认定为达到"国际先进"水平。该项目涵盖三大关键模块， 实现了从动力源头、传动效率到整车控制的全链路技术突破。 在新型柴油发动机技术迭代中，热效率提升始终是行业公认的核心难题。M9T混动专用发动机排量为2.3升，可匹配皮卡、轻客、轻卡、SUV等 车型，东风股份围绕发动机燃烧、摩擦、热管理及智能化五大维度开展技术攻关，整体有效热效率从41.3%提升到46.2%，显著提升能源利用效率。 同时，该发动机已具备成熟的工程量产能力，搭载后能有效降低整车运行油耗，每百公里节油20%-30%。 目前，首台搭载M9T发动机和行星齿轮耦合装置的混动轻卡已在东风股份襄阳工厂下线。根据规划，2025年年底前将实现500台批量生产，推 动核心技术的市场应用。 "此次成果是东风股份深化技术创新、加速新能源转型的重要体现。"东风股份总经理助理浦倍雷表示。未来，东风股份将持续加大研发投入， 推动节能降碳与产业升级，为行业绿色转型提供核心支撑，打造更具市场竞争力与环保价值的混动轻型商用车产品。 作为东风股份完全自主研发的核心传动部件，行星齿轮耦合装置总成采用了功率分流 ...

Core Insights - The launch of the first light truck equipped with the advanced M9T hybrid engine and planetary gear coupling assembly marks a significant breakthrough in Dongfeng's research and development capabilities in the hybrid light commercial vehicle sector [1][9]. Group 1: Engine Technology - The M9T hybrid engine has achieved a thermal efficiency of 46.2%, setting a new industry benchmark, with improvements made in combustion, friction, thermal management, and intelligence [3][4]. - The engine has a displacement of 2.3 liters and is compatible with various vehicle types, including pickups, light vans, light trucks, and SUVs [4]. Group 2: Transmission Efficiency - The planetary gear coupling assembly, developed entirely in-house by Dongfeng, boasts a transmission efficiency of 91.22%, effectively addressing transmission loss issues through a power-splitting architecture [6]. Group 3: Fuel Efficiency - The 4.5T hybrid light truck achieves a fuel consumption rate as low as 6.8L/100km under CHTC-LT conditions, demonstrating over 30% fuel savings per 100 kilometers, thanks to innovative energy management algorithms and dual-source thermal management strategies [7][9]. Group 4: Market Impact - The successful launch of the hybrid light truck represents a key achievement in Dongfeng's transition to new energy in light commercial vehicles, enhancing the competitiveness of its products in the logistics and transportation market [9].

Core Insights - Dongfeng Motor Corporation's "Key Technologies for Energy Saving and Emission Reduction in Complete Vehicles" project has been recognized as "internationally advanced" by a panel of eight experts at a recent technical appraisal meeting in Wuhan [1][3]. Group 1: Engine Technology - The M9T hybrid engine, with a displacement of 2.3 liters, has improved its effective thermal efficiency from 41.3% to 46.2%, addressing a core challenge in the new diesel engine technology iteration [3]. - The M9T engine is designed to reduce fuel consumption by 20%-30% per 100 kilometers when integrated into vehicles [4]. Group 2: Transmission Efficiency - The planetary gear coupling assembly, developed independently by Dongfeng, achieves a transmission efficiency of 91.22%, significantly reducing transmission losses and placing it at an internationally advanced level [4]. - The integration of this assembly is expected to lower fuel consumption by 2% per 100 kilometers and enhance vehicle range by 1% [4]. Group 3: Vehicle Control Innovations - The 4.5T hybrid light truck features innovative fuel consumption simulation and real vehicle energy flow testing, achieving a fuel consumption rate as low as 6.8L/100km under CHTC-LT conditions [4]. - This development provides an efficient solution for the integration of hybrid systems in the light commercial vehicle sector [4]. Group 4: Production and Future Plans - The first hybrid light truck equipped with the M9T engine and planetary gear coupling assembly has successfully rolled off the production line at Dongfeng's Xiangyang factory, with plans to achieve mass production of 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 [7].