A few days ago, the European Automobile Manufacturers Association is drafting a document on behalf of European commercial vehicle manufacturers calling on the European Union to postpone the implementation of Euro VI emission standards for trucks and buses. The Automobile Manufacturers Association stated that due to the economic recession, the company's capital investment in engine technology upgrades and post-processing systems is difficult to sustain; on the other hand, technological improvements will result in an increase in parts and maintenance costs, which will further hit Consumer's purchasing confidence. Paul Monteferino, Chief Executive Officer of Iveco Trucks, Fiat Group, said: “In January 2014, all new vehicle approvals will need to meet Euro VI standards, and starting in 2015, new car registration will implement Euro VI standards. We recommend that both The time has been delayed for two years.†Monteferino made the above statement when the Iveco Eco Daily series of trucks and light trucks went public. He believes that upgrading from the current Euro IV and Euro V standards to more stringent Euro VI standards requires higher capital investment and manpower, but the investment and return are not proportional, and in terms of absolute figures, there have been diminishing returns. Phenomenon, that is to say, after the implementation of the Euro VI standard, the environmental benefits it can bring are even smaller. "In the past 15 years, the government has continuously increased pollutant limits, which has reduced half of the harmful emissions," said Monferino. For this reason, the European Automobile Manufacturers Association suggests that a more effective solution is that the European Union will effectively replace the tens of thousands of European Standards or older trucks that are still in operation. Although commercial vehicle manufacturers have put forward a postponement request, the complicated legislative framework and development process of the EU make it unlikely that it will redraft documents and modify the implementation time of Euro VI standards in the short term. The only feasible approach is to use a derogation procedure, that is, to make some concessions on the emission standards that have already been passed, such as allowing European Standard Vehicles produced after a specified time to continue to be sold and registered until the deadline set by the EU VI Standard. When commercial vehicle manufacturers demanded the postponement of Euro VI emission standards, the European Economic and Social Commission criticized the current European emissions regulations at a recent meeting, emphasizing the emission of pollutants such as nitrogen oxides, particulate matter, hydrocarbons and carbon monoxide. In the past, the level of certification of vehicles and engines was too loose and did not meet the standards. The European Economic and Social Commission believes that the on-board diagnostic system used to detect exhaust emissions while driving a vehicle is allowed to emit emissions that are twice as high as the statutory standards. As a result, the on-board diagnostic system does not provide the driver with exhaust emissions that exceed the legal standards. Make sound and video warnings. Therefore, the on-the-spot inspections and routine tests should be strictly regulated, which is far more important than the new vehicle's steady state and transient cycle certification. In this statement, the European Economic and Social Commission criticized: "The European Community should immediately take control measures to protect the health of its citizens." However, from a practical point of view, the recommendations of the European Economic and Social Committee seem to be too ideal. Exhaust emission certification tests are performed in the laboratory, relying on expensive computer-controlled measurement and control machines, which cannot be accomplished with relatively simple on-board diagnostic systems and portable exhaust gas detection equipment.
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The rated current characterizes
the maximum output current capability of the generator at rated speed to ensure
the output voltage. The industry standard stipulates that the rated speed of
the automobile generator is 6000r / min, and the output capacity of the
generator is divided into series grade: 35A, 55A, 75A, 90A, 105A, 120A and so
on.
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