Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 3, 2015.
As of Monday, July 22nd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
Oxygen/Hydrogen Gas Generator1980-2009 model year light/medium/heavy heavy-duty on-road diesel engines between 4.0 liters and 20.0 liters.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-714-1
  • Executive Order 714-1 / D714-1
  • ARB # D-714-1
  • Executive Order No: D-714-1
  • C.A.R.B. No. D-714-1
  • Resolution D-714-1
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-714-1 PDF

D-714-1 Document:

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