Core Viewpoint - The article highlights the successful enforcement action taken by the Changshu Ecological Environment Comprehensive Administrative Law Enforcement Bureau in Jiangsu Province, which led to the first case in the province of a vehicle owner illegally modifying pollution control devices [1][6]. Group 1: Monitoring and Detection - The Changshu Ecological Environment Bureau has established a comprehensive monitoring system for diesel trucks using fixed remote sensing technology, which played a crucial role in uncovering the illegal modification case [1][2]. - Following the issuance of the "Opinions on Further Optimizing Motor Vehicle Environmental Supervision" by the Ministry of Ecology and Environment and other departments, the bureau utilized remote sensing data to conduct a special campaign against illegal emissions from diesel trucks [2][3]. Group 2: Investigation and Evidence Collection - After identifying a heavy-duty semi-trailer truck with excessive nitrogen oxide emissions, the bureau collaborated with the local vehicle management office to gather information about the vehicle and its owner [3]. - During a site inspection, evidence was found that the truck's SCR device was tampered with to reduce the amount of urea injected, which is essential for controlling emissions [4]. Group 3: Legal Action and Enforcement - The actions of the vehicle owner, who modified the pollution control device, were found to be in violation of the Jiangsu Provincial Regulations on Emission Pollution Prevention [6]. - The owner was ordered to correct the illegal behavior and was fined 1,000 yuan, demonstrating the effectiveness of the remote sensing technology in identifying and deterring violations [6].