CHAPTER 445B - AIR CONTROLS

NAC 445B.747 “Fleet” defined. (NRS 445B.210, 445B.780) “Fleet” means three or more heavy-duty motor vehicles that are owned, operated or leased by the same person. (Added to NAC by Environmental Comm’n, eff. 10-22-92)—(Substituted in revision for NAC 445.9469)

NAC 445B.749 “Heavy-duty motor vehicle” defined. (NRS 445B.210, 445B.780) “Heavy-duty motor vehicle” means a motor vehicle having a manufacturer’s gross vehicle weight rating of 14,001 pounds or more. (Added to NAC by Environmental Comm’n, eff. 10-22-92; A by R130-09, 1-28-2010)—…

NAC 445B.750 “Inspection procedure” defined. (NRS 445B.210, 445B.780) “Inspection procedure” means the test procedure carried out pursuant to the provisions of NAC 445B.767 and the inspection of an emission control system carried out pursuant to the provisions of NAC 445B.768. (A…

NAC 445B.751 “Inspector” defined. (NRS 445B.210, 445B.780) “Inspector” means an employee of the Department whose primary duty is the enforcement of standards for air quality. (Added to NAC by Environmental Comm’n, eff. 10-22-92)—(Substituted in revision for NAC 445.9472)

NAC 445B.755 “Officer” defined. (NRS 445B.210, 445B.780) “Officer” means a uniformed employee of the Nevada Highway Patrol Division of the Department. (Added to NAC by Environmental Comm’n, eff. 10-22-92)—(Substituted in revision for NAC 445.9473)

NAC 445B.756 “Opacity” defined. (NRS 445B.210, 445B.780) “Opacity” means the percentage of light obstructed from passing through the exhaust plume of a motor vehicle. (Added to NAC by Environmental Comm’n, eff. 10-22-92)—(Substituted in revision for NAC 445.9474)

NAC 445B.757 “Post-repair test” defined. (NRS 445B.210, 445B.780) “Post-repair test” means a test conducted after the issuance of a citation to determine whether a vehicle has been repaired to meet the requirements of an inspection procedure. (Added to NAC by Environmental Comm’n…

NAC 445B.758 “Repair facility” defined. (NRS 445B.210, 445B.780) “Repair facility” means any location where a heavy-duty motor vehicle is repaired, rebuilt, reconditioned or in any way maintained for members of the public at a charge. The term includes a fleet maintenance facilit…

NAC 445B.759 “Smokemeter” defined. (NRS 445B.210, 445B.780) “Smokemeter” means a detection device used to measure the opacity of smoke by percentage. (Added to NAC by Environmental Comm’n, eff. 10-22-92)—(Substituted in revision for NAC 445.9477)

NAC 445B.760 “Snap-idle cycle” defined. (NRS 445B.210, 445B.780) “Snap-idle cycle” means rapidly depressing the accelerator pedal from normal idle to the position at which the delivery of fuel to the engine is at maximum flow, holding the pedal in this position for no longer than…

NAC 445B.761 “Tampered” defined. (NRS 445B.210, 445B.780) “Tampered” means missing, modified or disconnected. (Added to NAC by Environmental Comm’n, eff. 10-22-92)—(Substituted in revision for NAC 445.9479)

NAC 445B.762 “Test procedure” defined. (NRS 445B.210, 445B.780) “Test procedure” means the processes of the preconditioning sequence and the measurement of the opacity of smoke to determine whether a vehicle meets the relevant standard of opacity set forth in NAC 445B.7665. (Adde…

NAC 445B.765 Applicability. (NRS 445B.210, 445B.780) The provisions of NAC 445B.737 to 445B.774, inclusive, apply to all heavy-duty motor vehicles operating in this State. (Added to NAC by Environmental Comm’n, eff. 10-22-92; A 5-3-96, eff. 7-1-96)

NAC 445B.7665 Standards of opacity; citation for violation; equipment for measurement. (NRS 445B.210, 445B.780) 1. Except as otherwise provided in this section and NAC 445B.774, no owner or driver of a heavy-duty motor vehicle powered by: (a) A 1991 or newer model-year engine may…

NAC 445B.767 Specifications for equipment for measurement of smoke opacity; test procedure. (NRS 445B.210, 445B.780) 1. Equipment for the measurement of smoke opacity must meet the specifications set forth in section 6 of the Society of Automotive Engineers Procedure, SAE J1667, …

NAC 445B.768 Components of vehicle subject to inspection for tampered or defective conditions. (NRS 445B.210, 445B.780) 1. During an inspection of an emission control system, the components for emission control for heavy-duty motor vehicles powered by diesel engines that are subj…

NAC 445B.7685 Missing emission control label: Replacement; effect on standard of opacity. (NRS 445B.210, 445B.780) 1. If the owner of a heavy-duty motor vehicle powered by a diesel engine receives written notification from the Department that the emission control label was missin…

NAC 445B.769 Duties of driver of vehicle selected for inspection; duties of inspector. (NRS 445B.210, 445B.780) 1. The driver of any heavy-duty motor vehicle powered by a diesel engine that is selected to undergo an inspection procedure shall, upon the request of an officer or in…

NAC 445B.770 Refusal of owner or driver to submit vehicle to inspection. (NRS 445B.210, 445B.780) If an owner or driver of a vehicle refuses to submit his or her vehicle to an inspection procedure pursuant to NAC 445B.769, it constitutes a failure of the inspection procedure, unl…

NAC 445B.771 Demonstration of correction of vehicle after issuance of citation; post-repair or inspection required by Director under certain circumstances. (NRS 445B.210, 445B.780) 1. An owner of a vehicle who has been issued a citation may demonstrate correction of the vehicle b…

NAC 445B.772 Removal of vehicle from service for outstanding citations; release and repair of vehicle. (NRS 445B.210, 445B.780) 1. A vehicle may be removed from service by the Nevada Highway Patrol Division of the Department if: (a) The Director requests its removal; and (b) One …

NAC 445B.773 Request for administrative hearing. (NRS 233B.050, 445B.210, 445B.780) Any person cited for violating the provisions of NAC 445B.737 to 445B.774, inclusive, may request an administrative hearing pursuant to the provisions of NRS 233B.121. The request must be made in …

NAC 445B.774 Waiver from standard of opacity. (NRS 445B.210, 445B.780, 445B.825) 1. The Director may grant a waiver from a standard of opacity set forth in NAC 445B.7665. 2. Except as otherwise provided in this section, an application for a waiver must include a receipt or receip…

NAC 445B.780 Scope. (NRS 445B.210, 445B.760) The provisions of NAC 445B.780 to 445B.846, inclusive, set forth the emissions standards for motor vehicles in this State beginning with model year 2025. (Added to NAC by Environmental Comm’n by R093-20, eff. 10-25-2021)

NAC 445B.782 Definitions. (NRS 445B.210, 445B.760) As used in NAC 445B.780 to 445B.846, inclusive, unless the context otherwise requires, the words and terms defined in NAC 445B.784 to 445B.808, inclusive, have the meaning ascribed to them in those sections. (Added to NAC by Envi…

NAC 445B.784 “Auxiliary power unit” defined. (NRS 445B.210, 445B.760) 1. “Auxiliary power unit” means any device that: (a) Provides electrical or mechanical energy to a range extended battery electric vehicle after the zero emission range has been fully depleted; and (b) Meets th…

NAC 445B.786 “CARB” defined. (NRS 445B.210, 445B.760) “CARB” means the California Air Resources Board or its successor agency which is established and empowered to regulate air pollution in the state of California pursuant to section 39003 of the California Health and Safety Code…

NAC 445B.788 “Department” defined. (NRS 445B.210, 445B.760) “Department” means the State Department of Conservation and Natural Resources. (Added to NAC by Environmental Comm’n by R093-20, eff. 10-25-2021)

NAC 445B.790 “Director” defined. (NRS 445B.210, 445B.760) “Director” means the Director of the State Department of Conservation and Natural Resources. (Added to NAC by Environmental Comm’n by R093-20, eff. 10-25-2021)

NAC 445B.792 “Greenhouse gas” defined. (NRS 445B.210, 445B.760) “Greenhouse gas” means any of the following gases, either alone or in combination: 1. Carbon dioxide; 2. Hydrofluorocarbons (HFCs); 3. Methane; and 4. Nitrous oxide. (Added to NAC by Environmental Comm’n by R093-20, …

NAC 445B.794 “Gross vehicle weight rating” defined. (NRS 445B.210, 445B.760) “Gross vehicle weight rating” means the value specified by the manufacturer as the loaded weight of a single vehicle. (Added to NAC by Environmental Comm’n by R093-20, eff. 10-25-2021)

NAC 445B.796 “Light-duty truck” defined. (NRS 445B.210, 445B.760) “Light-duty truck” means: 1. Any motor vehicle that is: (a) Certified to the standards set forth in section 1961(a)(1) or 1961.2 of Title 13 of the California Code of Regulations, as applicable, which are adopted b…

NAC 445B.798 “Medium-duty passenger vehicle” defined. (NRS 445B.210, 445B.760) “Medium-duty passenger vehicle” means any medium-duty vehicle with a gross vehicle weight rating of less than 10,000 pounds that is designed primarily for the transportation of persons. The term does n…

NAC 445B.799 “Medium-duty vehicle” defined. (NRS 445B.210, 445B.760) “Medium-duty vehicle” means any heavy-duty low-emission, ultra-low-emission, super-ultra-low-emission or zero-emission vehicle that: 1. Is certified to the standards in section 1961(a)(1), 1961.2, 1962 or 1962.1…

NAC 445B.801 “Neighborhood electric vehicle” defined. (NRS 445B.210, 445B.760) “Neighborhood electric vehicle” means a motor vehicle that is certified to zero emission vehicle standards and meets the definition of a low-speed vehicle as that term is defined in section 385.5 of th…

NAC 445B.802 “Passenger car” defined. (NRS 445B.210, 445B.760) “Passenger car” means any motor vehicle designed primarily for the transportation of people that has a design capacity of 12 persons or less. (Added to NAC by Environmental Comm’n by R093-20, eff. 10-25-2021)

NAC 445B.804 “Range extended battery electric vehicle” defined. (NRS 445B.210, 445B.760) “Range extended battery electric vehicle” means a vehicle that: 1. Is powered predominantly by a zero emission energy storage device that is able to drive for more than 75 all-electric miles;…

NAC 445B.806 “Transitional zero emission vehicle” defined. (NRS 445B.210, 445B.760) “Transitional zero emission vehicle” means a vehicle that: 1. Meets the requirements set forth in section 1962.2(c)(2) of Title 13 of the California Code of Regulations, which is adopted by refere…

NAC 445B.808 “Zero emission vehicle” and “ZEV” defined. (NRS 445B.210, 445B.760) “Zero emission vehicle” or “ZEV” means a vehicle that produces zero exhaust emissions of any criteria pollutant, precursor pollutant or greenhouse gas under any possible operational mode or condition…

NAC 445B.811 Severability. (NRS 445B.210, 445B.760) If any provision of NAC 445B.780 to 445B.846, inclusive, or its application thereof to any person, thing or circumstance is held invalid by a court of competent jurisdiction, the invalidity does not affect the remaining provisio…

NAC 445B.814 Applicability. (NRS 445B.210, 445B.760) 1. Except as otherwise provided in subsection 2 and NAC 445B.840, the provisions of NAC 445B.780 to 445B.846, inclusive, apply to all 2025 and later model year: (a) Motor vehicles offered for sale or lease in this State or sold…

NAC 445B.816 Adoption by reference of certain California regulations. (NRS 445B.210, 445B.760) 1. The following provisions of Title 13 of the California Code of Regulations are hereby adopted by reference: (a) Section 1900, as it existed on January 1, 2020; (b) Section 1956.8(h),…

NAC 445B.818 Requirement that vehicle is certified in accordance with emissions standards; exception. (NRS 445B.210, 445B.760) A person shall not sell or lease, offer for sale or lease, register, import, deliver, purchase, acquire or receive a 2025 or subsequent model year new pa…

NAC 445B.819 Requirement that vehicle has affixed emission control and Environmental Performance labels. (NRS 445B.210, 445B.760) A person shall not sell or lease, offer for sale or lease, register, import, deliver, purchase, rent or otherwise acquire or receive a new passenger c…

NAC 445B.820 Prohibition on exceeding fleet average non-methane organic gas plus oxides of nitrogen emission standards; accrual and use of debits and credits. (NRS 445B.210, 445B.760) 1. Beginning with the 2025 model year, each manufacturer of passenger cars, light-duty trucks an…

NAC 445B.822 Prohibition on exceeding fleet average greenhouse gas emission standards; accrual and use of debits and credits. (NRS 445B.210, 445B.760) 1. Beginning with the 2025 model year, each manufacturer of passenger cars, light-duty trucks and medium-duty vehicles produced a…

NAC 445B.824 Manufacturer required to submit annual report of non-methane organic gas plus oxides of nitrogen exhaust emissions for fleet; remediation report required if not in compliance. (NRS 445B.210, 445B.760) 1. Beginning with the 2025 model year, each manufacturer must subm…