9774209456_e7055a5ab1_k By Eve Kessler Aug 14, 2020 Facebook Twitter Google Plus Email print Share A prototype BYD K9 all-electric bus rolled out of the Michael J. Quill Depot today and performed a test run on the M42 line on Friday, September 13, 2013.rrPhoto: Marc A. Hermann / MTA New York City Transitr Facebook Twitter Google Plus Email print Share