 MACON, Ga.--BUSINESS WIRE--Blue Bird Corporation Nasdaq: BLBD, the leading independent designer and manufacturer of school buses, will release its fiscal 2021 fourth quarter and full year financial results on December 15, 2021. The public is invited to attend an audio webcast in which Blue Bird executives Matthew Stevenson, President and CEO, and Razvan Radulescu, CFO, will discuss results. This webcast will take place at 4:30PM ET on December 15, 2021. A slide presentation will be availabl 