Semi-Autonomous and Autonomous Bus Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Level of Automation (Level 1, Level 2, Level 3, Level 4, Level 5); Propulsion Type (Diesel, Electric, Hybrid); Sensor Type (Ultrasonic, Camera, LiDAR, Radar); ADAS Feature (Autonomous Emergency Braking, Adaptive Cruise Control, Intelligent Parking Assist, Traffic Jam Assist, Highway Pilot, Others); Application (Shuttle, Intercity/Intracity) , and Geography (North America, Europe, Asia Pacific, and South and Central America)