How to map complex products to HS codes

Air-powered engine is How to map complex products to HS codesan engine based on aerodynamic propulsion technology. It is different from traditional fossil fuel engines and uses air as the main power source. It does not produce exhaust gas and pollution, and has the advantages of environmental protection, energy saving, power stability, etc., which is regarded as a revolutionary improvement for future engines. Air engines are very similar to gasoline or diesel engines in function and principle, but they still have some significant differences. The air engine includes a compressor and an air storage tank. The compressor compresses the air and stores it in the storage tank. Air is converted into energy, which drives the engine to drive the vehicle. Compared with traditional internal combustion engines, pneumaticThe force engine collects and uses oxygen and nitrogen that naturally exists in the atmosphere, and does not require the use of any fossil fuels. This means that the air engine will not produce any greenhouse gases, carbon monoxide and other harmful substances, so it is more environmentally friendly. In addition, the air engine also has a very high energy efficiency ratio. According to research, the energy efficiency ratio of air engines can reach 70%, while the energy efficiency of electricity generated from fuels such as coal, natural gas, gasoline or diesel is only about 35%. The development of new energy vehicles (NEV) has attracted much attention at present, and air engines have become a development trend as a power source with high efficiency, environmental protection and low technical threshold. Air-powered vehicles can adopt an electric system, and can also have the advantages of pure electric vehicles - zero emissions and silent features, and improve the problems of fast charging and range between electric vehicles.Compared with traditional internal combustion engines, air engines do not need to pollute good air, so they can be used in cities and other highly polluted areas to protect the environment. At the same time, because the air engine does not need fuel refueling, oil replacement and other maintenance, the natural cost is lower. In addition, because the air engine uses natural gas, it is more convenient and safe to use, keep and transport. Compared with battery energy storage, the energy storage technology relied on by air engines is safer and cheaper. In addition, the life of air engines is longer than that of traditional engines because they are not affected by wear and heat. Although air engines have many advantages, there are still some challenges to overcome. At present, it is mainly design problems, such as engine power, intake and exhaust system, and reduction of internal friction. However, these problems are gradually solved with the progress of technology, so the future prospects of air engines are very broad.In a word, air engines have become one of the revolutionary improvements of future engines. It has the advantages of environmental protection, energy saving, power stability, etc., and is regarded as the main development trend of future engines. With the development of technology, air engines are expected to become one of the main power sources in the automotive industry in the future, making positive contributions to environmental protection and global climate change mitigation.

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