California State Motor Vehicle Pollution Control Standards; Waiver of Federal Preemption Notice of Decision

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EPA is granting California a waiver of Federal preemption pursuant to section 209(b) of the Clean Air Act, as amended, beginning in the 1995 model year to enforce amendments to its motor vehicle pollution control program which establish the following: New emission standards which are phased in over model years 1995 and 1996 (50% and 100%); and certification and compliance test procedures and durability requirements. These standards and procedures are applicable to light- duty trucks (LDTs), medium-duty vehicles and engines (MDVs), and light heavy-duty vehicles and engines (LHDVs) for the control of hydrocarbon (HC), carbon monoxide (CO), oxides of nitrogen (NO X), and particulate matter (PM) emissions. The standards apply to gasoline, gaseous-fueled, diesel and methanol-fueled and flexible-fueled vehicles and engines (hereinafter ``MDV'' request). California further amended the MDV standards addressed in this waiver during the establishment of California's Low Emission Vehicle (LEV) Program. In January of 1993 EPA granted California waiver of Federal preemption for the LDV component of the LEV Program. Action on the MDV component of the LEV Program was postponed until the earlier M