Validity
This Executive Order approved the specified parts on on September 23, 2002.
As of Monday, November 11th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on September 23, 2002.
As of Monday, November 11th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
1991-2001 model-year Caterpillar 3208, 3116, 3126, 3306, 3406, C10, C12, C15, and C16 diesel engines | The exemption applies to 4-stroke diesel engines originally certified to meet 0.10 g/bhp-hr or lower PM standard. The exemption is only valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is greater than 300 degrees Celsius for at least 10 percent of the typical duty cycle and (2) the average engine exhaust temperature is at least 250 degrees Celsius. The engines can be operated using standard California diesel with a maximum sulfur content of 500 ppmw. |