
Validity
This Executive Order approved the specified parts on on August 28, 1991.
As of Thursday, June 19th, 2025 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on August 28, 1991.
As of Thursday, June 19th, 2025 this Executive Order has not been overturned or superceeded.
Models |
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1991 and older model-year diesel-powered vehicles |