During 1943, General Motors purchased the minority interest in Yellow Truck & Coach Manufacturing Co., and effective October 1, 1943, Yellow became a division of GM under the name GM Truck & Coach Division. It is the coaches of this latter company that are discussed in this book.The first GM buses were built in 1943 when the War Production Board (WPB) authorized production of 1,340 transit buses. The first highway GMs were built in 1944 when 700 parlor...