Busworld prides itself on being the largest bus-and-coach-only B2B exhibition in the world. The 2023 edition, held in Brussels from October 7–12, included HVAC OEMs such as Konvekta, Valeo, Hispacold and Thermo King showcasing R744 (CO2)-based HVAC systems. ATMOsphere (publisher of R744.com) attended the event and found that multiple OEMs are already marketing and deploying…