Validity
This Executive Order approved the specified parts on on June 6, 2013.
As of Thursday, December 26th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on June 6, 2013.
As of Thursday, December 26th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
1994-2006 diesel engines with displacements up to 12 liters and horsepower ratings from 100 to 400, excluding all engines originally equipped with an aftertreatment emission control system such as a diesel oxidation catalyst or a diesel particulate filter | This exmeption is only valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is above 260 degrees Celsius for at least 30 percent of the typical duty cycle and (2) the engine is operated using ultra low sulfur diesel with a maximum sulfur content of 15 parts per million by weight or biodiesel blends containing no more than 20 percent biodiesel by volume. |