SCAX 910, a new EMD F125, leads a test train consisting of 12 cars and another F125 on the rear (SCAX 911) east past CP White as it prepares to stop and wait for a westbound Metrolink before reversing to continue testing.
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.