Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 9, 2010.
As of Sunday, June 16th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1994-2006 4-stroke, turbocharged diesel engines with horsepower ratings between 100 and 950; the engines must be certified to 0.10 g/bhp-hr or lower PM standardThe exemption excludes any engines originally certified with after treatment emission control systems such as a catalytic converter or a diesel particulate filter. The exemption is valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is greater than 200 degrees Celsius for at least 15 percent of the typical duty cycle and (2) the engine is operated using ultra-low sulfur diesel with maximum sulfur content of 15 part per million by weight.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-679
  • Executive Order 679 / D679
  • ARB # D-679
  • Executive Order No: D-679
  • C.A.R.B. No. D-679
  • Resolution D-679
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-679 PDF

D-679 Document:

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