Global HS code standardization efforts

Car engine: the core of the power source The Global HS code standardization effortscar engine is the heart of the car and the power source of driving. Whether it's a car, an SUV or a truck, it needs an efficient and reliable engine to drive them. With the continuous development of the automobile industry, the engine is also constantly upgrading and improving, not only to meet the driver's pursuit of power, but also to meet the emission standards.This article will discuss the core component of the automobile engine from the aspects of the principle, type, characteristics and future prospects of the engine. I. Working principle of the engine The automobile engine is composed of combustion chamber, piston, connecting rod, crankshaft, valve and other components. The working principle of the engine is to generate energy by ignition after mixing with fuel, so that the piston moves up and down in the combustion chamber, and is connected to the crankshaft through the connecting rod, and then drives the wheels to rotate. Traditional gasoline engines mainly generate energy by ignition, while diesel engines generate high temperatures through compressed air, and then inject fuel into the combustion chamber to burn to generate energy. These energies are generated through the mixing and combustion of fuel and air, so the selection of fuel, mixing ratio and combustion efficiency all have an important impact on the performance of the engine. II. Types of engines. Automobile engines are mainly divided into the following types: 1.Gasoline engine: This is the most widely used type of engine at present. It runs smoothly and has low noise, and is suitable for small vehicles such as sedans and SUVs. In recent years, gasoline direct injection (GDI) and turbocharging (Turbo) technologies have been continuously applied to gasoline engines under the requirements of improving operating efficiency and reducing emission pollution. Two. Diesel engine: Diesel engine has high combustion temperature, high power and high fuel efficiency, which is suitable for large commercial vehicles and transport vehicles. Diesel engines are usually more durable than gasoline engines, but there are also problems with loud noise and high emissions. 3. Hybrid engine: Hybrid engine combines gasoline or diesel engine with electric motor, which is mainly divided into tandem and parallel. Improve power output efficiency and reduce fuel consumption by charging while driving and using the power of the motor.Four. Fuel cells: As one of the latest engine technologies at present, fuel cells generate power by the chemical reaction of water, hydrogen and oxygen. It not only has the characteristics of high efficiency and cleanliness, but also its emission is only water and a small amount of heat, which will not cause harm to the environment. It is the development direction of automobile engines in the future. III. Features of the engine 1. Power output: The power output of the engine is an important indicator to evaluate the quality of the car engine. It determines the acceleration performance, maximum speed and driving ability of the car. Two. Fuel consumption: With the gradual enhancement of environmental protection awareness, the issue of fuel consumption is getting more and more attention. An excellent car engine must have an efficient fuel utilization rate and be able to reduce fuel consumption as much as possible under the premise of ensuring sufficient power. 3. Emission standards: the pollutants emitted by automobile engines are on the environment andIt is very harmful to human health, so if you want to develop an excellent engine, you must meet the national emission standards. IV. Looking forward to the future, the development of automobile engine technology will show the following trends: 1. The development of new energy vehicles: electric vehicles, hybrid vehicles and fuel cell vehicles are gradually replacing traditional gasoline and diesel engines, and new energy vehicles will become the mainstream in the future. Two. Intelligence and automation: Add sensors, controllers, computers and other equipment to make the car engine more intelligent and automated control, and can better adapt to different driving environments and road conditions. 3. Innovation of materials and processes: The application of new materials and the improvement of manufacturing processes will greatly improve the manufacturing quality and service life of automobile engines. Four. Miniaturization and Globalization: Future CarsThe engine will continue to enhance the standardization and universalization of models, improve performance while reducing the size, and be suitable for the automobile market in different countries and regions. In a word, the car engine is the core component of the car's driving, and its performance is directly related to the car's power output, fuel consumption and emission pollution. With the development of new energy vehicles and technological innovation, automobile engines are also constantly upgraded and improved to meet people's needs for efficiency, safety and cleanliness.

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