At present, the number of motor vehicles in China has exceeded 200 million, and it is still in a rising state, which has brought a lot of pressure on environmental protection. At the same time, as the air pollution phenomenon becomes more and more serious, the haze weather becomes more and more serious, and it is urgent to increase the emission reduction of automobiles. Under the pressure of environmental protection, some provinces and municipalities have gradually tightened vehicle emission standards and implemented restrictions on purchases. China's auto companies have also made efforts to build green factories and protect the social responsibility of the atmospheric environment through unremitting efforts in technology research and development, production and sales. They have formed a whole industrial chain of green car development and embarked on a new low-carbon car. Journey.
The new "Atmospheric Law" clearly stipulates that penalties should be imposed at 2-3 times of market sales. If 10,000 new cars with excessive emissions are sold, each vehicle will be counted at 100,000 yuan and the penalty will be as high as 2 billion. 4 billion, this strength is unprecedented. In addition, it is necessary to recall it. If it is not handled well, it must be destroyed according to the new regulations.
The national implementation date of the National Five Standards is expected to be ahead of severe air pollution, and the automobile exhaust gas is constantly upgrading. Many places such as Beijing, Shanghai, Tianjin, etc. have successively implemented the emission standards of the National Five, and the refined oil is deployed under the State Council. The process is ahead of schedule, and the national environmental protection department is also discussing whether the country should implement the date in advance nationwide.
The current national five products are still relatively smooth, and there is a clear deterioration cycle in the later stage. This negative impact on the subsequent effects cannot be ignored. With the implementation of the new Atmospheric Law, it will impose very severe penalties on emission defects. Durability, as a life indicator of emissions products, deserves the highest attention.
Calling on the government to postpone the implementation of the National Sixth Emission Regulations At present, China's National Sixth Standard has not yet come out, and enterprises mainly rely on Euro 6 regulations for technical research and product development. The engine of Euro 6 is very different from that of the national four and the national five. Whether it is the emission cycle, after-treatment technology, or the monitoring of driving, there are higher requirements.
The development of the new engine will take at least five years, plus the calibration of the whole vehicle. If the Euro 6 is implemented in 2020, the domestic manufacturers are basically too late to prepare. Or you can consider canceling the national five-stage regulations and directly implementing Euro 6 so that enterprises can fully turn to the National Six products in terms of investment and overall development, and achieve major upgrades of the entire product and emission technology.
Technical innovation boosts vehicle energy saving and emission reduction. For every 100 kilograms of vehicle weight reduction, fuel consumption per 100 kilometers can be reduced by 0.7 liters. For every 10% reduction in vehicle weight, vehicle fuel efficiency can be increased by 5.5%. Magnesium alloys have significant advantages in terms of weight reduction. For example, magnesium alloy gearboxes can be reduced by 58% compared to general aluminum alloy gearbox housings, while in power systems, frames, suspensions, interior trim, interior door panels, and seat brackets. The brake system, steering system, etc. can reduce the weight of the car by more than 30%. In addition, magnesium alloys have a good shock absorption effect. Combined with the current development direction and the requirements of the global resource environment, the research and development of magnesium alloy materials is inevitably an important development direction of the automotive industry.
The EPS is capable of reducing fuel consumption by 2.5% compared to a hydraulic power system. Its application began with small cars and was subsequently applied to various models. Especially in the early 21st century, with a lot of fuel limits and energy issues, the market share of EPS has gradually expanded. More than 50% of the cars in Europe and North America have applied EPS, but they are popular in the Chinese market. The rate is not very high. With the tightening of China's fuel consumption standards, EPS will have great potential for development.
From a national perspective, the Chinese government has a clear direction for diesel passenger vehicles, and proposed to promote the application of diesel engines in passenger vehicles. From the perspective of fuel quality, the spot checks conducted in January 2015 showed that The most critical factor in the oil, the sulfur content, has risen to 63% from the sulfur content of less than 20% that can meet the national standard. It is believed that with the strengthening of the oil industry, it will soon be able to In the country to achieve the supply of 10 PPM of diesel fuel in the country; from the fuel consumption results, it can basically be said that diesel power in the same model, compared to gasoline engines and even compared to the mixer can save about 30% of fuel consumption. In addition, the growing number of medium and large-sized diesel passenger vehicles has made the OEMs face increasing pressure on the fuel consumption regulations in the fourth and fifth phases. Therefore, it is indeed feasible to clean diesel technology at this stage.
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Environmental pollution will cause direct damage and impact to the ecosystem, such as desertification and forest destruction, and it will also cause indirect harm to human society. Sometimes this indirect environmental effect is more harmful than direct harm at the time. Difficult to eliminate.
Environmental pollution problems have occurred to varying degrees around the world. The areas with global impact include atmospheric environmental pollution, marine pollution, and urban environmental problems. With the globalization of the economy and trade, environmental pollution is increasingly showing an international trend. The problem of the transboundary movement of hazardous waste is an outstanding manifestation in this regard.
This requires us to analyze according to the causes of environmental pollution. Water is used more or less in various problems, even directly. In the process of treatment, we choose suitable water treatment facilities according to the type of environmental pollution. ---Pump
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