{"state":"VA","state_name":"Virginia","county":"prince-william","county_name":"Prince William County","testing_required":true,"gas_testing_required":true,"gas_vehicle_min_age":4,"gas_vehicle_max_age":24,"diesel_testing_required":true,"diesel_vehicle_max_age":29,"diesel_model_year_min":1997,"diesel_vehicle_max_gvwr_lbs":8500,"test_fee_cents":2800,"exemptions":["gasoline vehicles up to 4 years old","gasoline vehicles 25 years old or older","vehicles titled solely in the dealer's name with a current registration","diesel vehicles model year 1996 or older","diesel vehicles over 8,500 pounds gross vehicle weight rating"],"stations":[],"station_details":[],"source_url":"https://www.dmv.virginia.gov/vehicles/registration/emissions","source_updated_at":"2026-04-23 07:21:54","coverage_status":"partial","confidence_note":"Core Prince William County emissions coverage is source-backed, but live inspection resources remain delegated to official DMV and DEQ tools rather than a normalized station list.","stations_scope":"official_finder","stations_scope_label":"Official inspection resources","stations_note":"Virginia publishes Prince William County emissions coverage through DMV and DEQ, but live certified-station and RAPIDPASS availability is delegated to official inspection resources.","station_locator_url":"https://www.deq.virginia.gov/our-programs/air/vehicle-emissions-air-check","help_cta":{"kind":"official_service","headline":"Open the official Prince William 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://www.deq.virginia.gov/our-programs/air/vehicle-emissions-air-check","placement":"after-official-links","disclosure":"Official station finder","tracking_key":"official-emissions-virginia-prince-william"}}