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This policy update looks at a proposed 2014 update by Mexico's Secretariat of Environment and Natural Resources (SEMARNAT) to existing emissions standards regulating particulate matter (PM), nitrogen oxides (NOX), hydrocarbons (HC) and carbon monoxide (CO) from heavy-duty diesel engines and vehicles, including trucks, buses and large pickups and vans.
The new standards would require new heavy-duty diesel vehicles sold after January 1, 2018, to meet emissions standards equivalent to those in the United States and European Union—EPA 2010 or Euro VI standards, respectively. The proposal to fully align with the prevailing US and European standards in 2018 will require new vehicles to be equipped with diesel particulate filters (DPFs), advanced NOX aftertreatment, full on-board diagnostic (OBD) systems, and failsafes which ensure correct operation of emissions