Driving with cleaner engines: The evolution of diesel heavy-duty vehicles in China 2012-2023

China’s heavy-duty vehicle (HDV) industry has witnessed considerable changes in the last decade, driven by advancements in vehicle technology, shifting fuel types, and environmental regulations. This report analyzes China’s HDV sector between 2012 and 2023. The “inverted-U” pattern in Figure ES1 indicates progress on fuel consumption control despite growth in power, total weight, and engine displacement. The adoption of technologies such as common rail injection and advanced package of aftertreatment technologies have contributed to improve fuel efficiency and emissions performance among trucks.

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