Validity
This Executive Order approved the specified parts on on June 6, 2013.
As of Saturday, December 28th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on June 6, 2013.
As of Saturday, December 28th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
On-road heavy-duty vehicles equipped with 1994 through 2006 model-year diesel engines with displacements from 5 to 15 liters and power ratings up to 400 horsepower for all duty cycles and up to 500 horsepower provided the engine exhaust temperature is less than 260 degrees Celsius for greater than 40 percent of the typical duty cycle | This exemption does not apply to any engines originally equipped with an aftertreatment emission control system such as a catalytic converter or a diesel particulate filter. |