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Remote sensing can identify the worst polluting vehicles, enabling government agencies to target those that cause the biggest problems for air quality.
Based on remote sensing high emitter screening results, authorities can issue notices of violation requiring the worst polluting vehicles to return for re-inspection at an inspection station, or excluding them from low emission zones.
Alternatively, they can immediately pull over high emitting vehicles for a hands on roadside inspection - or issue non-punitive notices advising motorists that their vehicles may have an emission-related malfunction that should be fixed.
High emitter testing can be carried out at the same time as Clean Screen testing, and complements a regular inspection program by checking vehicles in between scheduled emission tests. It can identify those vehicles that have been tampered with to pass a test fraudently, or have developed emission-related faults since their last test, thereby increasing compliance with emission standards.
This service can be provided as part of a Clean Screen program at little or no extra cost. Find out more.
Remote sensing can be used to assess the effectiveness of an inspection program, or evaluate emissions by area or vehicle type.
Opus' remote sensing devices have helped to expose on-road NOx emissions from trucks equipped with defeat devices.
Clean Screen offers owners of the lowest polluting vehicles exemption from their next station-based emission test.