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Mexico Announces Emissions Certification Requirements for Imported Motor Vehicles

Mexican authorities have finalised a regulation adding certain certification requirements to mandatory standard NOM-041-SEMARNAT-2015, which sets maximum emissions standards for motor vehicles. This standard sets maximum levels for hydrocarbons, carbon monoxide, oxygen and nitrous oxide, as well as the air coefficient (Lambda factor) and minimum and maximum combined levels for carbon monoxide and dioxide emitted by motor vehicles fuelled by gasoline.

The modifications require foreign motor vehicles imported into Mexico to demonstrate compliance with the required standards by submitting a certificate issued by a duly accredited and approved entity. Until such time as Mexican authorities issue a list of accredited and approved entities, SAT will accept any certificates or other documents demonstrating compliance with current U.S. emissions standards. Any such documents must have been issued within six months from the date of importation of the motor vehicles into Mexico, however.

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