Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 28, 1993.
As of Sunday, June 16th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1993 and older General Motors vehicles operating on compressed natural gas and utilizing an Air Resource Board-certified conversion system.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-272-1
  • Executive Order 272-1 / D272-1
  • ARB # D-272-1
  • Executive Order No: D-272-1
  • C.A.R.B. No. D-272-1
  • Resolution D-272-1
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-272-1 PDF

D-272-1 Document:

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