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  3. /NOM-044-SEMARNAT-2017
SEMARNAT (Environment)AutomotiveActive

NOM-044-SEMARNAT-2017

Maximum permissible emission limits for hydrocarbons, carbon monoxide, nitrogen oxides, suspended particles — New diesel vehicles

Establishes emission limits for new diesel-powered vehicles. Adopted standards equivalent to EPA 2010 and Euro VI for new heavy-duty vehicles.

Last updated: 2024

Affected products

New diesel trucksNew busesTractor trucksHeavy-duty diesel vehicles

Compliance requirements

  • Meet EPA 2010 / Euro VI equivalent limits
  • Manufacturer emission certification
  • Exhaust aftertreatment system (DPF, SCR)
  • Electronic engine control
  • On-board diagnostics (OBD)

Related tariff codes

These tariff codes may be subject to this NOM. Check the specific code to confirm.

8704.21.018702.10.018701.20.01

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