Validity
This Executive Order approved the specified parts on on July 9, 2003.
As of Thursday, November 28th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on July 9, 2003.
As of Thursday, November 28th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
1994-2002 Cummins 5.9 to 15.0 liter 4-stroke, turbocharged, electronic fuel injection heavy-duty on-road diesel engines. The engine application is limited to engines originally certified to oxides of nitrogen emission standard of 4.0 or 5.0 g/bhp-hr and not otherwise equipped with an aftertreatment emission control system such as a catalytic converter or a diesel particulate filter. | This Executive Order is only valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is greater than 260 degrees Celsius for at least 25 percent of the typical duty cycle and (2) the engine is operated using either standard California diesel with a maximum sulfur content of 500 ppmw or ultra low sulfur diesel with a maximum sulfur content of 15 ppmw. |