
Validity
This Executive Order approved the specified parts on on August 28, 1991.
As of Monday, March 31st, 2025 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on August 28, 1991.
As of Monday, March 31st, 2025 this Executive Order has not been overturned or superceeded.
Models |
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1991 and older model-year diesel-powered vehicles |