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Emissions standards in Japan are the joint responsibility of the Ministry of Environment (MOE) and the Ministry of Land, Infrastructure and Transport (MLIT). Current emissions standards for passenger cars and light duty trucks (LDTs) in Japan were introduced from 2018; these are based on the WLTP test cycles. Prior to these, the Post New Long Term standards were in place, since 2009.
Vehicle categories
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Overview
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Type approval
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Emissions standards
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2018 standards
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Emissions limits
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Evaporative Emissions
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Idle CO & HC
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Durability requirements
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Test Procedures
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WLTP (World Harmonized Light Vehicles Test Procedure)
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Real Driving Emissions
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On-board diagnostics
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Historical Data
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Previous on-board diagnostics requirements
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Post New Long Term standards
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JC08 test cycle
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New Long Term Standards
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New Short Term Standards
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10-15 Mode Test Procedure
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References
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