Cummins Engine Meets 2010 EPA Emissions Standard

July 19, 2007
New product of Westport partnership is first heavy-duty engine to be so certified

Alternative-fuel engine manufacturing partnership Cummins Westport Inc. recently announced the formal certification from the United States Environmental Protection Agency (US EPA) for its ISL G engine.

The ISL G surpasses EPA 2007 phase-in levels and meets 2010 emission standards of 0.2 g/bhp-hr NOx and 0.01 g/bhp-hr PM. Based on the Cummins ISL, the ISL G uses Cummins' Exhaust Gas Recirculation (EGR) to delivering ultra low emissions. Also, with ratings from 250 to 320 horsepower, the ISL G will deliver increased thermal efficiency and over 30% higher low-speed torque compared with today's CWI "Plus" engines. Cummins Westport has received over 500 orders from U.S. transit properties, including Sacramento Regional Transit and the Orange County Transportation Authority (OCTA).

More information about the ISL G can be found at:

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