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The internal combustion engine energy conservation and emissions reduction The jolt to haze

Recently, automobil machinery industry network 】 【 issued by the general office of the state council on strengthening the internal combustion engine industry's opinions on energy conservation and emissions reduction, and put forward to the internal combustion engine industry energy conservation and emissions reduction requirements, at the same time makes clear standards for energy consumption and waste emissions.


Experts say, after nearly a period of time the haze weather, the government recently introduced various policies for China's automobile industry, is likely to mean that the policy environment and industrial structure in a big change.


Cui Dong tree, secretary-general of China passenger car association said, the new "energy conservation and emissions reduction on strengthening internal combustion engine industry opinion" point many, is of great significance to energy conservation and emissions reduction. Although the development of internal combustion engine industry ultimately depends on market demand guidance, but on diesel pollution control in the field of internal combustion engine industry responsibility, line is clear, "opinion" is a good thing to improve environment quality.


Policy power


The opinions on strengthening internal combustion engine industry energy conservation and emissions reduction involved 11 focus areas, respectively is a passenger car with light mini car engines, diesel engines, medium-duty commercial vehicle diesel engine, the road mobile machinery, Marine diesel engine, diesel engine with general small gasoline engine and motorcycle gasoline engine, etc. Aiming at these areas, our country will be implemented six demonstration project, promote the different type of internal combustion engine to reduce energy consumption. "Opinion" stressed that the inhibition of backward production capacity expansion, strictly observe the rules of backward product and improve and strictly implement the system of motor vehicle and engine type approval of environmental protection, motor vehicle emissions standards, as well as the release of internal combustion engine energy-saving product promotion directory, make promotion plan, to speed up the popularization and application of advanced energy-saving combustion engine products.


Experts said that the internal combustion engine is not only large energy consumption, and the implementation of the most potential in energy saving and emission reduction space products. To strengthen the internal combustion engine industry, energy saving and emission reduction for promoting saving oil resources and the important role of improving air quality is obvious. According to measure, if 2015, 2020 vehicles in China's overall oil-saving rate reached 17% and 30% respectively, then save fuel is about equivalent to popularize the use of 21 million and 61 million, respectively, pure electric vehicles.


It is understood that the traditional automobile exhaust is one of the important sources of PM2.5 particles, the internal combustion engine products consumed more than 60% of the oil energy in China. The use of traditional fossil fuels and poor fuel economy of vehicles has become a large and medium-sized cities in our country serious pollution of the atmosphere the culprit, the rapid growth of car ownership is increasing pressure on the environment.


"On strengthening the views of the internal combustion engine industry energy conservation and emissions reduction" is put forward, by 2015, 30% - 40% of the new production of automotive products applied in cylinder direct injection gasoline engine fuel system, specific fuel consumption 8% - 8% lower than in 2010. By 2015, multi-cylinder diesel engine turbo technology penetration rate of 90% above, efficient technology in automotive application proportion of diesel engine was 100%, and the applications in automotive gasoline engines ratio above 30%. By 2015, more than 20% of the new production more functional (micro) passenger car accessory using small diameter multi-cylinder diesel engine, alternative energy intensive 500000 sets of large diameter single cylinder diesel engine.


By 2015, energy-efficient internal combustion engine products will account for 60% of the whole society's internal combustion engine products, compared with 2010, when the internal combustion engine fuel consumption by 6% - 10%, to 20 million tons of fuel saving commodities. At the same time, to foster a batch of automobile, engineering machinery in the engine remanufacturing key enterprises, such as efficient energy efficient and environmentally friendly host of internal combustion engine and parts manufacturing equipment localization, large-scale, building energy conservation and emission reduction policies and regulations and standard system of internal combustion engine products.


Think Cui Dong tree, the opinions on strengthening internal combustion engine industry energy conservation and emissions reduction overall route, the number of specific goals clear. Current energy-saving internal combustion engine products accounted for the proportion of the entire society's internal combustion engine products from 30% to 40%, over the next three years to complete accounted for 60% of the target for sales form of millions of energy-saving combustion engine market in China laid a foundation. In the future, energy-saving of internal combustion engine will further accelerate the speed of growth rate, the technical requirement will also increase.


Learned, released in 2012 passenger vehicles three phase fuel standard is relative to the second stage fuel consumption limit by 20%, from 2012 to 2012 in place of the third stage standard than a fall of 20% in the second stage. And the energy saving and new energy vehicle development plan (2012-2020) put forward: fuel economy improved significantly. To 2015, when the production of passenger car on average fuel consumption down to 6.9 liters/hundred kilometers, fuel-efficient passenger vehicle fuel consumption dropped to below 5.9 liters/hundred kilometers. To 2020, when the production of passenger car on average fuel consumption down to 5.0 liters/hundred kilometers, fuel-efficient passenger vehicle fuel consumption dropped to below 4.5 liters/hundred kilometers.


Experts said that from two different angles of internal combustion engine and the passenger car look, compare the internal combustion engine fuel target is far less than the requirements of vehicle fuel efficiency index of the auto industry. The goal of internal combustion engine industry request relatively loose, embodies the protection of the policy.


Emissions standards stricter


Well-known auto analyst jia xinguang think, emission standards for passenger cars before the government management is very strict, such as Beijing carried out the Beijing Ⅴ standards, but in respect of commercial vehicle and heavy vehicle management strength is not enough, in the implementation of the "six big demonstration project", there are three specific to upgrade diesel internal combustion engine. The opinions on strengthening internal combustion engine industry energy conservation and emissions reduction of shows that the government will be motor vehicle emission standards of management to further expand the scope and strength.


In late January 2013, the Chinese academy of social sciences released "2012-2013 China automobile social blue book", said the increase of the car even more difficult for emissions reductions. Environmental protection is facing new challenges, especially such as nitrogen oxides, PM2.5 pollutants is directly related to the car, harder to reduce pollution, the cost increase. They not only bring the air pollution, and noise pollution.


It is understood that in 2013 the ministry of industry and information department from six aspects emphatically promote atmospheric pollution prevention and control work, including associated with auto industries are: enhance the level of motor vehicle pollution control and in order to strengthen the management of car fuel efficiency, increase energy saving and new energy vehicles pilot demonstration, methanol auto pilot, etc; Energy conservation and pollution from consumer terminals to the product development design phase, strive to minimize the product whole life cycle energy resources consumption.


In late January 2013, the Beijing municipal environmental protection bureau announced the approval of the state council, since February 1, 2013, Beijing first in the country began to perform Beijing stage 5 V (Beijing) motor vehicle emission standards. V with the fifth stage, Beijing motor vehicle emission standards (V) are formulated with reference to the V, due to reasons such as technology and products, the V in the second comment yet, and the Beijing out of urgent need to improve the regional air quality, first set V, and resolves the problem of matching the supply of fuel, so Beijing can take the lead in implementing the V, V for countries issued after the implementation of the V instead. At the same time, Beijing will be the Beijing V emission standard vehicle sales and register. After March 1, 4 s shop sales of new cars must be Beijing V emission standard vehicle, and consumers to buy cars in Beijing if you want to the registration, also must be in conformity with the Beijing V vehicle emissions standards.


At present, the Beijing motor vehicle ownership has more than 5.2 million vehicles, predicts 2015 motor vehicle ownership will amount to 6 million vehicles. According to the Beijing municipal environmental protection bureau is expected, the implementation of Beijing V emission standard, light-duty gasoline vehicles, heavy duty diesel bicycle nox emissions will fall by about 43%. And annual Beijing's goal is to PM2.5 concentrations fell by 2%, and plans to focus on governance PM2.5 in 2013, among them, one of the major measures is take the lead in implementing the Beijing V standard.


Experts say, thin wall combined with or will become China's auto industry policy direction. Is restricted in the predominantly "wall" means such as restrictions, the stricter emissions standards reversed transmission of internal combustion engine emissions, become the main means of persuation.


Turbo technology has huge potential


"Mr. Jia said, in a long time, the traditional internal combustion engine car is still the mainstream of the car market, so the automotive industry should vigorously promotes the traditional vehicle energy conservation and emissions reduction work. Published in 2011 "China internal combustion engine industry" twelfth five-year "development plan" has been clear, reduce the fuel consumption of the products is the core of the internal combustion engine power technical indicators and the preferred business indicators.


"On strengthening the views of the internal combustion engine industry energy conservation and emissions reduction" is put forward, on the passenger cars with engines, to focus on applied pressure direct injection technology, encourage the 2.0 liter displacement especially below 1.6 liters small gasoline engine with pressurization and direct injection technology, promotion of lightweight technology. By 2015, the new production car all the application of high pressure fuel injection system of diesel engine, the fuel consumption rate 5% lower than in 2010-8%; A further 30% - 40% of the new production automotive products applied in cylinder direct injection gasoline engine fuel system, specific fuel consumption 8% - 8% lower than in 2010.


, experts say, compared with ordinary naturally aspirated engine, the fuel consumption of the same circumstances, turbo engine can improve more than 40% power. Although traditional turbo engine has certain work "delay" but as a result of technical improvement, the current general in gasoline engine turbocharger engine turning velocity in 1800 turn, "delay" is not very obvious.


Learned, turbocharged engine depend on the turbocharger for about 10 times the volume, thus increasing the output power of engine. Under the condition of without increasing the engine displacement, significantly increase the output power and increase torque engine, improve fuel economy and reduce emissions. Data show that using turbocharged gasoline and diesel vehicle technology can help on the premise of not reduce the performance fuel-efficient 20% and 40% respectively, and compared with the hybrid cars and electric cars, costs much less.


Cui Dong tree, meanwhile, has suggested that the government's response to the absolute energy conservation and emissions reduction of low-emission fuel-efficient models give more encouragement, realizes the relative energy conservation and emissions reduction and absolute combined encouragement policy of energy conservation and emissions reduction. At present, the government according to the displacement of subsidies policy for small fuel-efficient cars of encouraging effect is not outstanding, micro car market shrink and lead to the big city. Cui Dong tree that encourage low-emission, low fuel consumption models against environmental protection, so you need to offer integrated fuel consumption under 6 litres of absolute fuel-efficient passenger vehicle models more subsidies, in order to promote energy conservation and emissions reduction, improve the environment.