Bus Transmission System Market Size, Share & Trends Analysis Report By Transmission Type (Manual Transmission, Automatic Transmission, Automated Manual Transmission (AMT), Hybrid and Electric Transmission System), By Design (Rear Engine Front Wheel Drive, Front Engine Rear Wheel Drive, Mid-engine), By Bus Type (City Buses, Coach Buses, School Buses, Shuttle Buses, Articulated Buses, Other Buses), By Application (Public Transit Operations, Private Fleet Operations, School Transportation, Tourism & Intercity Transport) and By Region (North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034