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U.S. to Help China On New Auto Emission Rules
The U.S. has agreed to share technology and modeling techniques to help China implement new emission standards likely to take effect after 2020.
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The U.S. has agreed to share technology and modeling techniques to help China implement new emission standards likely to take effect after 2020.
China's emission requirements mirror European standards, which are indexed to vehicle weight but have lagged in implementation by several years.
For example, the country's China IV rules akin to Euro 4 regulations adopted in Europe in 2005 have been adopted in many regions but won't be required throughout China until 2015. They set emission limits roughly 50% below those allowed by China III rules that went nationwide in 2007.
China V regulations, which introduce the country's first particulate limit for spark-ignition engines, won't become the new standard throughout China until January 2018. That's nine years after comparable limits took effect in Europe.
The U.S.-China agreement deals with China VI limits, which Beijing says will be implemented "as soon as practical." Euro 6 limits are set to take effect in Europe next September.
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