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SAE J3349 (JUL2026)

NOx Tracking Parameter Accuracy

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SAE J3349 (JUL2026)

NOx Tracking Parameter Accuracy

PUBLISH DATE 2026
SAE J3349 (JUL2026)

This SAE Information Report provides SAE’s recommendations for meeting the requirements for Real Emissions Assessment Logging (REAL) oxides of nitrogen (NOx) accuracy demonstration and for the implementation of REAL NOx binning requirements as defined in onboard diagnostics (OBD) regulations 13 CCR 1971.1 and 13 CCR 1968.2.

SDO SAE: SAE International
Document Number J3349
Publication Date July 23, 2026
Language en - English
Page Count 22
Revision Level 202607
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