Highest level PM VDECS definition
Highest level PM VDECS means the highest level VDECS verified by CARB to reduce PM under its Verification Procedure. The highest level is determined solely based on verified diesel PM reductions, not based on verified NOx reductions. VDECS can be verified to achieve Level 1 diesel PM reductions (at least 25 percent), Level 2 diesel PM reductions (at least 50 percent), or Level 3 diesel PM reductions (at least 85 percent). All Level 3 diesel PM devices are higher than all Level 2 diesel PM devices. Level 1 PM devices are never considered highest level PM VDECS for the purpose of this regulation. “Plus” designations do not matter; that is, a Level 3 Plus is the same diesel PM level as Level 3; and Level 2 Plus is the same diesel PM level as Level 2. A PM VDECS shall be considered the highest level PM VDECS only if (1) it can be used without impairing the safe operation of the vehicle as demonstrated per section 2449(e)(8), and (2) the diesel emission-control strategy manufacturer and authorized diesel emission-control strategy dealer agree it can be used on a specific engine and vehicle combination without jeopardizing the original engine warranty in effect at the time of application.
Highest level PM VDECS means the highest level VDECS verified by CARB to reduce PM under its Verification Procedure. The highest level is determined solely based on verified diesel PM reductions, not based on verified NOx reductions. VDECS can be verified to achieve Level 1 diesel PM reductions (at least 25 percent), Level 2 diesel PM reductions (at least 50 percent), or Level 3 diesel PM reductions (at least 85 percent). All Level 3 diesel PM devices are higher than all Level 2 diesel PM devices. Level 1 PM devices are never considered highest level PM VDECS