Acceleration Simulation Mode (ASM) TEST Emission Standards and Gross Polluter Standards

Note: The tailpipe test standards shown in the table below are no longer applicable to vehicles that require an OIS inspection.  Effective March 9, 2015, an OBD Inspection System (OIS) is required when inspecting 2000 and newer model-year gasoline powered vehicles (unless over 14000 lbs. GVWR or those without OBDII), 1998 and newer diesel powered vehicles, and all hybrid vehicles