Fleet Vehicles That Idle Often Need ATS Cleaning — Here’s Why 
If you manage a fleet of diesel vehicles that spend significant time idling, like school buses, trash trucks, utility trucks, or municipal vehicles, you could be facing a hidden engine killer: soot buildup in your after-treatment system (ATS). While idling may seem harmless, over time it creates conditions that accelerate soot and carbon accumulation in your EGR valve, cooler, turbocharger, …



