CN's Family Day train rolls back along the St. Boniface spur on one of many short jaunts out of the Symington Yard in Winnipeg. This train was unique in that it had 5 cabooses (cabeese?) instead of passenger cars.
Tier IV locomotives are the safest, cleanest, and most fuel efficient locomotives on the rails today. Unfortunately, most of them are ugly and are as quiet as an ACS-64.