QNOx Method for Heavy Duty Vehicles (HDV)

Development and verification of the QNOx method for Heavy Duty Vehicles (HDV): Formulation of an implementable proposal for type approval regulations. Consideration of operational properties such as loading and extreme driving conditions through data filtering to avoid incorrect assessments. Definition of a suitable reference value for NOx emissions of HDV. The aim is the future checking of NOx emissions in HDV, e.g., in PTI or roadside checks, for early detection of defects in exhaust aftertreatment systems.

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