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accordance accumulation addition adjust Administrator altitude applicable appropriate approved averaging calculated calibration carbon certification cles combination complete compliance conducted configuration conformity described designated deterioration factor determined diesel dilution duty emis emission control emission standards emission testing emission-data engine family equipment evaporative emission exceed exhaust emission facility Figure filter flow fuel gasoline-fueled grams graph hearing heated heavy-duty heavy-duty engines hicle high-altitude hydrocarbon idle issued label less light-duty trucks light-duty vehicles limit maintenance manufacturer manufacturer's means measured meet ment methanol miles motor Officer operating paragraph particulate percent performed period phase pressure prior procedures production pump range reasonable record represent request sample schedule selected sion specified speed statement submitted subpart temperature Tier tion vehi vehicle vehicle or engine volume weight zero
Page 23 - Unscheduled maintenance" means any adjustment, repair, removal, disassembly, cleaning, or replacement of vehicle components or systems which is performed to correct a part failure or vehicle (if the engine were installed in a vehicle) malfunction. "Useful life" means: (1) For light-duty vehicles and lightduty trucks a period of use of 5 years or 50,000 miles, whichever first occurs. (2) For gasoline-fueled heavy-duty engines a period of use of 5 years or 50,000 miles of vehicle operation or 1,500...