Aftermarket

Cummins Diesels Meet Idle Limit Rules In California

February 06, 2008

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The complete line of Cummins truck diesels can now meet Clean Idle requirements in California, allowing those engines to idle beyond the state Air Resources Board's five-minute limit, the builder announced. Cummins'
Special sticker should be displayed on trucks whose engines are idle-legal.
Special sticker should be displayed on trucks whose engines are idle-legal.
ISX, ISM, ISL, ISC and ISB meet the new regulation by generating less than 30-gram-per-horsepower-per-hour limit for emissions of oxides of nitrogen, or NOx, at idle.
Effective immediately, Cummins customers can specify a 50-state Clean Idle Certified engine option when ordering a new vehicle. Existing 2007-and-later engines can be updated to meet the limit at Cummins distributors to meet the 50-state Clean Idle Certified status.
Updating involves reprogramming an engine's electronic control module and costs $300 to $500, Cummins sources said. Distributors will also apply a sticker to a truck's nose that alerts enforcement officers that its engine is idle-legal.
The engines' clean-idle ability complements and supports other available electronic engine features such as the programmable idle shutdown timer. Together these features help reduce a customer's idle time and fuel consumption, thus, only allowing idling for those periods where a driver needs cab comfort while logged out of service.

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