Automotive On-Board Diagnostics (OBD) Market by Diagnostic Device (Handheld, PC/Laptop Based, Mobile Device, Others) by Application (Driver Behavior Monitoring, Emission Testing, Supplementary Instrumentation, Consumer Telematics, Usage Based Insurance, Fleet Management, Car Sharing, Others) by Vehicle Type (Passenger Car, Light Commercial Vehicle, Heavy Commercial Vehicle) , by Region (North America, Europe, Asia Pacific, Latin America and Middle East & Africa): Global Market Assessment, 2021 – 2028