Lubrizol PuriNOx™ and AZ Purimuffler™/Purifier™ System
Note: Verifications are issued chronologically. The most recently issued Executive Order or individual attachment is the one which is currently in effect and is listed below each manufacturer’s verification. The most recent Executive Order supersedes any previous Executive Orders for the same product. Should you wish to view any previous Executive Orders or attachments for reference purposes related to a manufacturer’s verification, please view the associated link below each description.
CARB has verified Lubrizol Engine Control Systems PuriNOxTM and AZ PurimufflerTM or AZ PurifierTM System for 1996 through 2002 diesel engines used in off-road applications specifically at the ports, railway yards and other intermodal / freight handling operation applications only. The PuriNOxTM and AZ PurimufflerTM or AZ PurifierTM System uses a diesel oxidation catalyst and an emulsified diesel fuel to achieve a 50 percent reduction in particulate matter emissions qualifying it for a Level 2 verification. The system also achieves a 20 percent reduction in NOx emissions. Specific engine families and conditions for which the PuriNOxTM and AZ PurimufflerTM or AZ PurifierTM System has been approved may be found below.
|Engine Family List
|Swapping & Re-Designation Policy