Nevada
For Nevada, counties where testing is required is the urban areas of Clark or Washoe county; how often is emission tests each year for qualifying vehicles; vehicles covered / exempt is Gasoline powered (regardless of weight or size); program / authority is Nevada Emission Control Program, verified against its source on 2026-08-18.
- State
- Nevada our reading
- Counties where testing is required
- the urban areas of Clark or Washoe county verified
- How often
- emission tests each year for qualifying vehicles verified
- Vehicles covered / exempt
- Gasoline powered (regardless of weight or size) verified
- Program / authority
- Nevada Emission Control Program verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Nevada requires emission tests each year for qualifying vehicles Your Vehicle Needs a Test if it is: Location Based Based in the urban areas of Clark or Washoe county. Model Year 1968 model year or newer. Vehicle Type Gasoline powered (regardless of weight or size)
— dmv.nv.gov, retrieved 2026-08-18
Source
- dmv.nv.govhttps://dmv.nv.gov/emission.htm