Validity
This Executive Order approved the specified parts on on May 13, 2013.
As of Thursday, December 5th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on May 13, 2013.
As of Thursday, December 5th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
1996-2010 Tier 1, Tier 2, and Tier 3 off-road compression-ignition engines with displacements from 6.7 to 18.2 liters used in mobile applications. This exemption does not cover engines used in stationary applications such as pumps, compressors, or generators. This exemption also excludes all engines originally equipped with an aftertreatment emission control system such as a catalytic converter or a diesel particulate filter. | The CMM oxidation catalyst may be used on engines operated using biodiesel blends containing no more than 20 percent biodiesel by volume. |