Section 445B.596 - Standards for emissions1. Each motor vehicle powered by gasoline with a model year of 1968 to 1995, inclusive, and, with regard to motor vehicles with a model year of 1996 or newer, each heavy-duty motor vehicle powered by gasoline, that is subject to an inspection pursuant to NAC 445B.593, 445B.594 or 445B.595 must not have: (a) Smoke in its emissions from its exhaust or crankcase when the prescribed procedure for the testing is used.(b) Carbon monoxide or hydrocarbon, or both, in its emissions from its exhaust in excess of the limits set forth in subsection 3 or 4.2. The measurements required by subsection 1 must be made with an approved exhaust gas analyzer and under the prescribed procedure. The engine must be at normal operating temperature, but if it has been operating at an idle for more than 5 minutes, it must be purged before the measurement is taken.3. The following standards apply to light-duty motor vehicles subject to subsection 1: | Maximum | Maximum |
| Model Year | CO% | HC(PPM) |
| | |
| 1968-1969 | 4.0 | 800 |
| 1970-1974 | 3.5 | 700 |
| 1975-1978 | 2.5 | 500 |
| 1979-1980 | 2.0 | 500 |
| 1981-1995 | 1.2 | 220 |
4. The following standards apply to heavy-duty motor vehicles subject to subsection 1: | Maximum | Maximum |
| Model Year | CO% | HC(PPM) |
| | |
| 1968-1969 | 7.0 | 1400 |
| 1970-1978 | 6.0 | 1400 |
| 1979 | 5.0 | 1000 |
| 1980 | 4.0 | 1000 |
| 1981 and newer | 3.5 | 1000 |
5. Standards for exhaust emissions which apply to a: (a) Reconstructed vehicle, as defined in NRS 482.100; and(b) Trimobile, as defined in NRS 482.129, which does not meet the definition of a motorcycle set forth in 40 C.F.R. § 86.402 -78 or 86.402 -98, must be based, in accordance with NRS 445B.760, on standards which were in effect in the year in which the engine of the reconstructed vehicle or trimobile was built.Nev. Admin. Code § 445B.596
Environmental Comm'n, Engine Emission Control Reg. § 3.8.2, eff. 1-10-78-NAC A by Environmental Comm'n & Dep't of Motor Veh., 10-1-83; 11-19-85, eff. 1-1-86; 11-19-85, eff. 1-1-87; 11-23-87, eff. 1-1-88; A by Dep't of Motor Veh. & Pub. Safety, 9-28-88; A by Environmental Comm'n, 12-26-89; 7-5-94; 11-9-95; A by Dep't of Motor Veh. by R178-01, 8-21-2002; A by Environmental Comm'n by R130-09, 1-28-2010