{"state":"NV","state_name":"Nevada","county":"clark","county_name":"Clark County","testing_required":true,"gas_testing_required":true,"gas_model_year_min":1968,"gas_new_vehicle_exempt_registrations":3,"gas_hybrid_exempt_model_years":5,"diesel_testing_required":true,"diesel_model_year_min":1968,"diesel_vehicle_max_gvwr_lbs":14000,"test_fee_cents":0,"exemptions":["new motor vehicles on their first 3 registrations","new hybrid-electric vehicles for the first 5 model years","1967 or older vehicles","motorcycles, mopeds, and most tri-mobiles","vehicles based in remote areas of Clark County outside the testing area","electric vehicles and vehicles that run permanently on propane, compressed natural gas, methane, or butane","diesel vehicles with a gross vehicle weight of 14,001 pounds or greater","classic vehicles driven 5,000 miles or less per year with the required odometer affidavit"],"stations":[],"station_details":[],"source_url":"https://dmv.nv.gov/emission.htm","source_updated_at":"2026-04-23 07:19:06","coverage_status":"partial","confidence_note":"Core Clark County emissions rules are source-backed, but Nevada applies testing only within the Las Vegas Valley area and live station coverage remains delegated to the official station search.","stations_scope":"official_finder","stations_scope_label":"Official station finder","stations_note":"Nevada publishes Clark County emissions coverage through the statewide emissions program, but live station availability is delegated to the official station search.","station_locator_url":"https://dmvapp.nv.gov/DMV/OBL/Business_Reports/Pages/BusinessLicenses.aspx?LT=EPES","help_cta":{"kind":"official_service","headline":"Open the official Clark County testing workflow","body":"PlateHarbor mapped the main county testing rules and finder coverage. Use the official source or locator before you schedule a test or travel to a station.","label":"Open official station finder","href":"https://dmvapp.nv.gov/DMV/OBL/Business_Reports/Pages/BusinessLicenses.aspx?LT=EPES","placement":"after-official-links","disclosure":"Official station finder","tracking_key":"official-emissions-nevada-clark"}}