Approval Details

Valid E.O.


This Executive Order approved the specified parts on on December 7, 1993.
As of Sunday, July 14th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
20-1032-29151993 and older model-year passenger cars, light duty trucks, medium duty vehicles, and heavy duty engines operating on compressed natural gas and utilizing an Impco conversion systems.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-315-2
  • Executive Order 315-2 / D315-2
  • ARB # D-315-2
  • Executive Order No: D-315-2
  • C.A.R.B. No. D-315-2
  • Resolution D-315-2
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-315-2 PDF

D-315-2 Document:

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