published: May 1, 2017
VANCOUVER, BC – Cummins Westport Inc. (“CWI”) announced today at the Alternative Clean Transportation (ACT) Expo in Long Beach, California its model year 2018 dedicated natural gas engines for regional haul truck / tractor, vocational and transit, school bus, and refuse applications. The new lineup comes with a change in names, following Cummins tradition of using B, L, and X series letters, followed by engine displacement. The letter “N” denotes engines that are fueled by natural gas.
The new B6.7N, L9N, and ISX12N engines continue the evolution of emissions leadership in on-highway natural gas engines from Cummins Westport, featuring Environmental Protection Agency (“EPA”) and California Air Resources Board (“ARB”) Optional Low NOx certification, On-Board Diagnostics (OBD), Closed Crankcase Ventilation (CCV) systems, and performance and reliability improvements. The new ISX12N features a redesigned fuel system with fewer parts and improved performance.
Like the L9N that replaces the ISL G Near Zero, the 2018 ISX12N heavy-duty natural gas engine for regional haul truck / tractor, vocational, and refuse applications will also be certified to EPA and California ARB optional low NOx Emissions standards of 0.02 g/bhp-hr.
The ISX12N and L9N will be the lowest certified NOx emission engines available in North America. NOx exhaust emissions are 90% lower than the current EPA NOx limit of 0.2 g/bhp-hr, and the engines also meet or exceed 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.
All CWI engines offer customers the choice of using compressed natural gas (CNG), liquefied natural gas (LNG) or renewable natural gas (“RNG”) as a fuel. Using low carbon intensity RNG fuel provides significant well-to-wheel GHG reductions and is an important aspect of a move to zero emissions strategy. According to California ARB Low Carbon Fuel Standard (LCFS) studies, RNG can reach subzero GHG carbon intensity levels.
Cummins Westport engines utilize proprietary spark-ignited, stoichiometric combustion with cooled exhaust gas recirculation technology, and three-way catalyst aftertreatment (“TWC”). The TWC is packaged as a muffler and is maintenance-free. No diesel particulate filter or selective catalytic reduction aftertreatment is required.
CWI 6.7 to 12 litre engines are designed for truck and bus applications up to 80,000 pounds. Available from leading truck and bus OEMs, vehicles can be tailored to perform to meet customer requirements with enough range to offer route flexibility without in-route refueling. For example, on highway natural gas trucks can have over 700 mile range capability.
The ISX12N will be manufactured in Cummins’ heavy-duty engine plant in Jamestown, New York. The L9N and the B6.7N are manufactured in Cummins midrange engine plant in Rocky Mount, North Carolina.
“Our 2018 product line demonstrates an important milestone in product development for Cummins Westport, creating a move to zero emissions strategy for our customers and industry,” said Rob Neitzke, President of Cummins Westport. “We are particularly pleased that the ISX12N will join the L9N in offering our on-highway customers the benefits of performance and reliability at an ultra-low emissions level described by California’s South Coast Air Quality Management District as equivalent to an electric vehicle. This move to zero emissions strategy means our customers can choose the most affordable path to zero-equivalent emissions with no commercial constraints on supply or technology readiness.”
The ISX12N and L9N engines will be on display at the Cummins Westport booth during the Alternative Clean Transportation (ACT) Expo in Long Beach, California from May 1-4, 2017.
Partial funding in support of the ISX12N engine development has been received from South Coast Air Quality Management District, the California Energy Commission, Southern California Gas and Clean Energy.
At Westport Fuel Systems, we are driving innovation to power a cleaner tomorrow. We are inventors, engineers, manufacturers and suppliers of advanced clean fuel systems and components that can change the way the world moves. Our technology delivers performance, fuel efficiency and environmental benefits to address the challenges of global climate change and urban air quality. Headquartered in Vancouver, Canada, we serve our customers in more than 70 countries with leading global transportation brands. At Westport Fuel Systems, we think ahead. For more information, visit www.wfsinc.com.
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 Fuel Systems Inc. (NASDAQ/TSX: WPRT), 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. For more information, visit www.cumminswestport.com.
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