| Should the development of China's diesel cars, is | | | | generate more working state, through the |
| currently in the automotive industry, there are still | | | | installation of particulate trap, to reduce the |
| pros and cons of two very different views. | | | | particulate matter generated purpose. The device |
| However, in the supply of cars, "rations" of the | | | | through secondary burning ways to reduce |
| petrochemical industry, views have been very | | | | particulate matter, problems are also large in size, |
| clear. China Petroleum & Chemical | | | | there is a fatal weakness is the fear of sulfur. |
| Corporation, deputy chief engineer Yang told a | | | | Once the sulfur poisoning, particulate trap will fail. |
| reporter: "At present, China's diesel, gasoline | | | | Associate Professor Chong said that, compared |
| consumption, a very high ratio, in order to 2.3:1, | | | | with the gasoline engine, the price of diesel |
| which is very imbalanced. We believe that diesel | | | | passenger cars more than 20,000 yuan higher. |
| cars, it should only modest growth." | | | | Implementation of the Europe Ⅳ, Ⅴ EU |
| In recent years, China has been very tight supply | | | | emission standards, as long as the gasoline engine |
| of diesel, petrol shortages downtown things | | | | to improve the existing three-way catalytic |
| happen almost every year. Earlier this year, the | | | | converter performance and better matching can |
| South snow was a rare attack in May Wenchuan | | | | be achieved by optimization of the standard, the |
| earthquake occurred, but also exacerbated by the | | | | cost very low. The diesel engine must be installed |
| tight supply situation. From the beginning in June, | | | | on more complex post-processing device, in order |
| Sinopec, CNPC and other state-owned oil | | | | to meet the standard requirements, which makes |
| companies, on the one hand reduced ethylene, | | | | further increasing the cost of diesel. Moreover, |
| gasoline and other products output, increase diesel | | | | the installation of a large volume of |
| fuel production, on the other hand began to | | | | post-processing device for cars is concerned, |
| emergency import of diesel from abroad. | | | | there is still lack of space, weight, increase the |
| It is understood that the crude oil refined gasoline | | | | problem. |
| and diesel is a certain percentage of, and the | | | | Diesel prospect hangs in the balance |
| community the use of gasoline and diesel should | | | | Jinnian April 23, the Chinese Society of |
| have a certain proportion. At present, the world's | | | | Automotive Engineers-sponsored energy-saving |
| gasoline and diesel using the average ratio of 7:3, | | | | emission reduction strategies and new energy |
| 1:2.3 my country, there have been a serious | | | | vehicle development seminar, Ministry of Science |
| inverted. And China's situation is different, more | | | | and the overall energy efficiency and major |
| European countries, cars, gasoline consumption | | | | projects team leader Ouyang Ming Gao pointed |
| large, diesel is relatively affluent, vigorously | | | | out that the gasoline engine technology is |
| develop diesel cars reasonable. | | | | expected to achieve major breakthroughs, 10 |
| Europe is what to do so, after years of efforts in | | | | years can be realized more than 20% of the |
| Europe, especially Germany in car diesel engine, | | | | fuel-efficient level. The diesel technology has been |
| diesel engine after-treatment technology, walked | | | | little progress in meeting European emission |
| in front of the world. To sell to the world to | | | | standards Ⅴ later, compared with the gasoline |
| promote diesel cars and is Europe's car to play a | | | | engine advantages much. He said that the world's |
| competitive edge, expand the market the most | | | | internal combustion engine technology to the |
| convenient way. China should develop an active | | | | emergence of hybrid engine development trend is |
| advocate of diesel cars in Europe is precisely | | | | the two kinds of gasoline and diesel fuel, as well |
| Germany's Volkswagen. | | | | as electronically controlled, common rail, |
| Yang 1, said: "China's agricultural production, | | | | pre-combustion, compression ignition, direct |
| shipping and inland shipping, power generation, rail, | | | | injection technologies such as hybrid applied to a |
| highway and transportation a great use of light | | | | single engine. |
| diesel oil, diesel oil, gasoline consumption is the | | | | Gas emission standards for diesel vehicles are also |
| highest in the world than almost, large-scale | | | | moving towards the same. ? Hori Suo-Qin line and |
| development of diesel cars unrealistic . "and one | | | | grain widow get it? At present, the international |
| of his subordinates Yang, deputy director of China | | | | discussion is the most carbon monoxide, |
| Petrochemical Corporation of Science and | | | | hydrocarbons, nitrogen oxides, particulate matter |
| Technology Xu Hui Yang is further explained in a" | | | | emission standards for first four uniform. But also |
| proper development "the true meaning of the | | | | to the gasoline engine standards for light vehicles |
| word: as an automotive powerhouse, diesel cars a | | | | unity, heavy-duty diesel vehicles to the standard |
| bit more on it. "For example, accounting for 10% | | | | uniform. At present, the same emission standards, |
| of car ownership in, or a little more, but never in | | | | the diesel engine emission standards more lenient |
| favor of the Europeans advocated by the ratio of | | | | than the standard gasoline engine, if both unity, |
| more than 50%. If this happens, we can not | | | | more disadvantageous for diesel cars. |
| afford the diesel supply." | | | | Engine Emissions Research for many years |
| It appears that China is the development of diesel | | | | engaged in the Automotive Engineering |
| cars is no longer a simple issue of product variety, | | | | Department of Tsinghua University, doctoral tutor, |
| but has become related to the country's energy | | | | the Chinese Society of engine oil and clean branch |
| security, has become the development direction | | | | director Wang Xin told reporters that three or |
| of the automotive industry issues. | | | | four years ago, he began to think my car should |
| Tightening emission standards for diesel cars | | | | or should not take the road of diesel technology. |
| difficult to develop | | | | He concluded that: With the constant tightening of |
| Years of emissions from vehicles involved in the | | | | emission regulations, China's development of diesel |
| study of Automotive Safety and Energy, | | | | cars must be cautious. He's on this understanding, |
| Tsinghua University State Key Laboratory for | | | | by foreign experts. "3 years ago, a professor at |
| Chuang, associate professor, said the work of a | | | | Germany's visit, we explore this issue. He was in |
| diesel engine characteristics, particulate matter and | | | | favor of my views, saying that when the |
| nitrogen oxides formation was seesaw model, this | | | | emission standard to Europe Ⅳ, Ⅴ stage of |
| high-Peter Low. That came from a generation of | | | | Europe, the gasoline engine may be a resurgence." |
| nitrogen oxides, particulate matter generated | | | | According to Wang Xin, due to Gasoline Direct |
| more particulate matter came from a generation | | | | Injection (GDI), as well as HCCI (HCCI) and other |
| of nitrogen oxides generated more. | | | | new technologies, is currently being discussed |
| To solve this problem two ways, first, the engine | | | | internationally gasoline engine, diesel technology are |
| in the nitrogen oxides generated much less | | | | moving toward integration possibilities. " |
| particulate matter generated working state, | | | | 'Uniform-style internal combustion engine and a |
| through the installation of selective catalytic | | | | wide fraction of fuel', so that steam may be the |
| reduction of the engine after-treatment devices | | | | future of diesel technology, road to come |
| to reduce nitrogen oxide emissions. | | | | together." He said. |
| At present, the catalytic reduction of nitrogen | | | | Over the years, China's automobile industry has |
| oxides reducing agent is urea. The huge size of | | | | been sparing no effort to study European |
| the engine after-treatment devices need a | | | | technology, and has made great progress. It also |
| separate set of electronic control, jet pumps and | | | | enables many people to form a kind of habitual |
| other attached accessories. If the popularity of | | | | thinking and behavior in determining the |
| this technology, but also at gas stations to | | | | development goals and development strategies, |
| establish a urea supply system in order to refuel | | | | always like to run behind with the Europeans. |
| at the driver at the same time filling urea. This | | | | Wang Xin laughed: "When the Europeans stopped |
| device not only increases the manufacturing costs | | | | to change direction, we are still moving in the |
| of vehicles, and increased the use of the cost of | | | | direction of the original run." |
| the vehicle. If the driver in order to reduce costs | | | | Obviously, now, the European automotive industry |
| without using this device, then the emissions from | | | | has begun to study diesel cars still be able to |
| vehicles will be seriously deteriorated, and even | | | | development. For China's auto industry, at least at |
| car than the level of the country Ⅰ worse. | | | | this time, diesel cars are not should be the |
| The second method is to make the engine in the | | | | direction of industrial development. |
| nitrogen oxides generated fewer particles | | | | |