New engines incorporated or to be installed in new diesel-powered non-road mobile machinery.

Proyecto de Norma Oficial Mexicana PROY-NOM-174-SEMARNAT-2024, Límites máximos permisibles de emisión de contaminantes provenientes del escape de los motores nuevos incorporados o a ser instalados en maquinaria móvil nueva no de carretera, que usan diésel como combustible (Draft Mexican Official Standard PROY-NOM-174-SEMARNAT-2024: Maximum permissible levels for emissions of pollutants from the exhausts of new engines incorporated or to be installed in new diesel-powered non-road mobile machinery) (10 pages, in Spanish)

·        The purpose of this draft Mexican Official Standard is to establish the maximum permissible levels for emissions of carbon monoxide (CO), hydrocarbons (HC), non-methane hydrocarbons (NMHC), hydrocarbons plus nitrogen oxides (HC+NOx), non-methane hydrocarbons plus nitrogen oxides (NMHC+NOx), nitrogen oxides (NOx) and particulate matter (PM) from the exhausts of new engines incorporated or to be installed in new diesel-powered non-road mobile machinery.

·        The notified draft Mexican Official Standard is applicable throughout Mexican territory and is binding on manufacturers and importers of new engines incorporated or to be installed in new non-road mobile machinery, and for new diesel-powered variable-speed non-road mobile machinery of a net power of between 19 and 560 kilowatts and equipped with this type of engine.

·        It does not apply to engines used for the generation of electric energy or for the propulsion of locomotives, railroad equipment that runs on rails, ships or aircraft.

·        It does not apply to agricultural machinery.