Cummins engine line gets 2017 GHG approval

Cummins engine line gets 2017 GHG approval

The U.S. Environmental Protection Agency (EPA) has certified that the complete lineup of Cummins on-highway diesel and natural gas engines meet the Phase II in greenhouse gas (GHG) and fuel-efficiency standards, which take effect in January 2017, according to the OEM.

That “complete lineup” encompasses engine platforms ranging from 5.0 liters to 15 liters, noted Amy Boerger, VP-sales and support at Cummins, in a statement.

"For example, efficiency improvements implemented in the 2016 ISX15 400 hp-to-475 hp ratings will provide customers with fuel economy gains over the 2013 ISX15 ranging from 2.5% on the base engine up to 7.5% with a SmartAdvantage Powertrain with ADEPT features," she said.

Boerger added that Cummins made a range of improvements to its engines in 2014 and 2015 to comply with the 2017 rules. That includes:

  • Meeting on-board diagnostics (OBD) requirements with enhanced monitors, ensuring that exhaust tailpipe emissions stay within the EPA limits;
  • Adding a new particulate matter (PM) sensor;
  • Enhanced electronic controls in order to better interact with the diesel exhaust fluid (DEF) quality sensors on DEF tanks.

Boerger also noted that Cummins plans to incorporate further enhancements to improve performance, reliability and efficiency throughout 2016.

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