CUMMINS WESTPORT BEGINS PRODUCTION OF ISL G NEAR ZERO NATURAL GAS ENGINE

CUMMINS WESTPORT BEGINS PRODUCTION OF ISL G NEAR ZERO NATURAL GAS ENGINE

NORTH AMERICA’S FIRST COMMERCIALLY AVAILABLE NEAR ZERO NOX MIDRANGE ENGINE

Cummins Westport Inc. (CWI) today announced that orders are being processed and production of the ISL G Near Zero (NZ) NOx natural gas engine has commenced. 

The ISL G NZ is the first MidRange engine in North America to receive emission certification from both U.S. Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California to meet the optional 0.02 g/bhp-hr. Near Zero NOx Emissions standards eight years in advance of the 2023 California Near Zero NOx schedule and contributing to California Clean Air initiatives.

Exhaust emissions of the ISL G NZ are 90% lower than the current EPA and ARB NOx limit of 0.2 g/bhp-hr. and also meet the 2017 EPA greenhouse gas (GHG) emission requirements.  CWI natural gas engines have met the 2010 EPA standard for particulate matter (0.01 g/bhp-hr.) since 2001.

“The start of production of the ISL G Near Zero natural gas engine offers a game-changing solution for the reduction of urban tailpipe and engine related emissions,” said Rob Neitzke, President of Cummins Westport.  “Combined with the reliability and operating improvements on the base ISL G engine, the ISL G Near Zero is now at the forefront of cost-effective and dependable emission reduction strategies in transit, medium-duty truck and refuse applications.”

The ISL G NZ can operate on compressed, liquid, or renewable natural gas (RNG).  Operating ISL G NZ engines on RNG offers a significant GHG emissions benefit compared to fossil fuels. In addition to the dramatic reduction in NOx, the ISL G NZ will feature Closed Crankcase Ventilation, reducing engine related GHG methane emissions by 70%.

Leveraging the technology improvements of the ISL G, the ISL G NZ offers customers the benefit of improved reliability and durability as well as range and performance with the lowest emissions, utilizing maintenance-free Three-Way Catalyst (TWC) aftertreatment. TWCs are effective, simple, passive devices, packaged as part of the muffler.  Cummins Westport natural gas engines do not require active aftertreatment such as a Diesel Particulate Filter or Selective Catalytic Reduction. 

The ISL G NZ is manufactured at the Cummins Engine Plant in Rocky Mount, North Carolina.  Backed by a Cummins Factory Warranty and supported by Cummins Service Network, the ISL G NZ offers low emission performance and efficiency with engine ratings from 250-320 horsepower, and 660-1,000 lb-ft torque available.  For the convenience of customers, base warranty, extended coverage options, maintenance procedures, and service intervals are the same as the current ISL G.

The ISL G NZ engine is available as a first fit engine with transit, shuttle and school bus, refuse and truck original equipment manufacturers (OEMs), or as an engine replacement (repower) for existing  ISL G vehicles.   

CWI would like to acknowledge engine development funding support from South Coast Air Quality Management District, SoCalGas, and the California Energy Commission.

About Westport Fuel Systems | Westport Fuel Systems engineers, manufactures and supplies the world’s most advanced alternative fuel systems and components. More than that, we are fundamentally changing the way the world travels the roads, rails and seas. Our innovative and cost-effective solutions maintain performance while improving efficiency and reducing emissions. Offering a variety of leading brands for transportation and industrial applications, we serve customers in over 70 countries, including some of the world’s largest and fastest growing markets. To learn more about our business, visit westport.com.

About Cummins Westport Inc. | Cummins Westport Inc. designs, engineers and markets 6–12 liter spark-ignited natural gas engines for North American commercial transportation applications such as trucks and buses. Cummins Westport is a joint venture of Cummins Inc. (NYSE:CMI), a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems, and Westport Innovations Inc. (NASDAQ: WPRT / TSX: WPT), a global leader in alternative fuel, low-emissions technologies that allow engines to operate on clean-burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen, and biofuels such as landfill gas. » www.cumminswestport.com

Source:  Westport

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