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Emissions legislation in China is the responsibility of the Ministry of Ecology and Environment (formerly the Ministry of Environmental Protection). Separate regulations are in place for controlling emissions from non-road diesel and spark ignition engines. Stage III diesel regulations were in place since October 2014, Stage IV standards are mandatory starting from 1 December 2022.
For small spark ignition engines, Stage II standards are in place since 1 January 2013 for non-hand held equipment and since 1 January 2015 for hand held equipment.
Non-road diesel engines - Stage IV
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Overview
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Emissions limits
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Durability requirements
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Requirements for machinery and PEMS testing
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In-use compliance
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Non-road diesel engines - Stage III
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Introduction dates and emissions limits
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Durability requirements
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Non-road spark ignition engines
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Stage I and II regulations
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Test Procedures
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Diesel engines
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Spark ignition engines
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Historical Data
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Stage II Diesel, Nationwide
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Stage III and IV Diesel - Beijing
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Beijing Stage II, Diesel
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References
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