I/M Program Evaluation: RSD data can be used to: Assess the effectiveness of overall vehicle emissions inspection programs (i.e. Inspection/Maintenance [I/M] Programs). Evaluate entire fleets in geographic areas by comparing emissions of vehicles from I/M and non-I/M areas. Assess the impact vehicles registered outside an I/M region (e.g. commuters or tourists) have on air quality … Continue reading Program Performance Evaluation / Fleet Characterization