Executive order
D-253-2
Fuel Efficiency Systems, Inc.
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 1994 and older model-year heavy-duty diesel-powered motor vehicles. | E.O. D-253-1, dated April 1, 1993, is superseded and of no further force and effect. |