Alternative fuel internal combustion engines survive in the cracks in the awkward – internal combustion engines, fuel – chemical industry
Are a variety of alternative fuel internal combustion engine caught between pressure from the embarrassment of living and slow ahead.
Embarrassment lies in the face of the community for the internal combustion engine the energy-hungry urgent desire to achieve emission reductions, alternative fuel internal combustion engine of a variety of technical routes co-exist and are in research and demonstration phase. As of now, there is no one type of fuel can completely replace the oil to drive the rapid increase in the daily internal combustion engine.
Because of this, cause there is no alternative fuel can be a wide range of market and government recognition and support. To some extent, delayed the development of the field and breakthrough technology.
In the April 2 Internal Combustion Engine Industrial Association, China's "traditional Energy Power unit (engine) the efficient use of alternative fuel technology a "Seminar on alternative fuels, researchers have expressed the similar frustration.
Although "Alcohol fans," Minister He Guangyuan, and related sectors, academics and industry promotion, Methanol China seems to have seen the dawn of main alternative fuel internal combustion engines, but its applications in production and there are still further room for improvement, and user acceptance by the market and it needs time to.
At the same time, my other clean and efficient alternative fuel is also actively exploring various.
Remaining difficulties DME Currently, a wide range of alternative fuel research. The so-called alternative fuels, is to replace or partially replace the current traditional fuel combustion engine ( Gasoline , Diesel, kerosene) fuel. On the types of alternative fuels is divided into two categories: liquid fuel, mainly alcohols (methanol, ethanol), bio-diesel. Second, gas, mainly Natural gas , Liquefied petroleum gas, dimethyl ether, etc.. On the actual use of alternative fuels, the first internal combustion engine required no major change in itself can be used, then there should be adequate resources, production, transportation, use and storage more secure and convenient. In addition, not because of the use of alternative power of the engine from burning, Economy , Emission, durability, decreased.
Which DME is one of the important technical route.
4 dated 2 seminar, Prof. LIU Sheng-hua from Xi'an Jiaotong University, said, dimethyl ether (DME) is a colorless, odorless gas, has excellent combustion properties, clean, high cetane , dynamic performance, less pollution, a little pressure into a liquid that is very suitable Cooperation Compression ignition engines for the alternative energy vehicles using the fuel to reach ultra-low emissions standards in California.
It is reported that Japan's NKK has successfully developed the use of low quality coal production of DME equipment, and, and Sumitomo Metal Industries, completed in 1998 using dimethyl ether as Car Test fuel, dimethyl ether gas vehicles emit no pollution black, nitrogen oxides generated 20% less than diesel.
As some good characteristics of dimethyl ether, is also considered an ideal alternative fuel diesel engines is one. According to reports, the Shanghai Jiao Tong University, Shanghai Automotive Industry (Group) Corporation, Shanghai Diesel Co., Ltd. and Shanghai Coking Plant is being jointly developed DME fuel city buses, plans to build demonstration team goal is to promote the DME fuel vehicles.
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