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Heavy trucks are more economical, safer, more comfortable, and more environmentally friendly. The upgrading of trucks means that the engine technology must also be upgraded. At this year's Shanghai Auto Show, commercial vehicle companies and ancillary suppliers revolved around engine technology to inject vitality into the "heart" of heavy trucks.
Domestic and foreign commercial vehicle companies not only bring large-displacement models, but also bring high-quality engines. Scania, Navistar, China National Heavy Duty Truck and others have demonstrated 13-liter engines. 
Navistar, which is participating on the same platform as JAC, brings a 13-liter engine. The company's exhibiting staff told reporters that this engine is currently not produced in China, mainly for Navistar trucks, and the joint venture with Jianghuai will supplement the vacancy of high-power engines, the joint venture company will introduce and land Navis The heavy-duty, heavy-duty engines, including the 9.3-litre, 11-litre, and 13-litre diesel engines, were introduced with the Navistar trucks. 
In addition to 9 vehicles, China National Heavy Duty Truck Corporation also brings 9 parts and components. Including the MC13 high-power engine that combines the technology of CNHTC and MAN, Dongfeng Commercial Vehicle also brought a 13-liter Dongfeng Cummins engine, model ISZ13. The Tianlong flagship heavy truck released by Dongfeng Commercial Vehicle is equipped with this engine. 
At the Shanghai Auto Show, some international suppliers have developed a solution that suits the characteristics of commercial vehicles in China in response to the market demand for commercial vehicle emissions in China. Bosch has introduced an economical common rail system, which will bring the diesel high pressure common rail system CRS1-16 to be mass-produced this year. It is designed for the needs of the Chinese market and is produced locally in China. The price will also be highly competitive. The commercial vehicle exhaust after-treatment system Denoxtronic 6-5 is also an SCR urea injection system developed for emerging markets such as China, which can help vehicles to achieve the four emission standards for diesel vehicles at low cost.
Among the many solutions presented by Continental, there are technical solutions for the electronic control systems and engine aftertreatment systems for diesel engines. The person in charge of the group’s power system told reporters that if commercial vehicles were to be fully upgraded to the national IV emission standard in July this year, most of the medium- and heavy-duty truck engines that currently meet the national IV emission standards will use mechanical pumps, after implementing the national IV standard, The electronically controlled fuel injection system will be switched and the exhaust aftertreatment system will be added. In Europe, Euro IV emission standards were implemented a few years ago. Their corresponding technologies in the engine electronic control system have been relatively mature, and domestic applications are adapting. A commercial vehicle company communicates with them and hopes that they will provide engine electronic control systems and post-processing system solutions.