中国重汽集团济南动力申请氮氧排放达标预测专利，能够提前预测排放达标情况

Group 1 - The core point of the news is that China National Heavy Duty Truck Group Jinan Power Co., Ltd. has applied for a patent for a method, system, equipment, and medium for predicting nitrogen oxide emissions compliance in diesel engines, which aims to enhance product design efficiency and reduce unnecessary testing resources and time loss [1][2]. Group 2 - The patent application was published under the number CN 119778077 A, with an application date of December 2024 [1]. - The method involves several steps, including determining control areas, collecting engine test data, and calculating nitrogen oxide conversion rates and predicted emissions values to assess compliance [1]. - China National Heavy Duty Truck Group Jinan Power Co., Ltd. was established in 2006, has a registered capital of approximately 724 million RMB, and has invested in 19 companies while participating in 2,904 bidding projects [2].