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WELCOME TO OUR OEM NATURAL GAS VEHICLE DIRECTORY.

This directory is designed as a resource to assist fleet and vehicle owners to source OEM supported natural gas vehicles or engines by location or by vehicle type.Contributions and corrections are welcome via email to oem@iangv.org or via the 'Suggest a listing' links below (Please submit your entry from within the category you would like to list from). Listings are shown in good faith. IANGV takes no responsibility for any inaccuracies in this directory and welcomes corrections at any time.

Directory

Westport ISX G Engine

More Information

http://www.westport-hd.com/pdf/WPTHD-AUS-Demo_MED.pdf

Fuel types

• Dual-fuel (LNG/Diesel)

Manufacturer

Westport

Manufacture method

OEM ex factory

Emissions Level

• EPA CARB 2007

Countries available

• Canada
• United Arab Emirates

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The Westport Innovations ISX G engine, based on the Cummins ISX diesel engine with cooled exhaust gas recirculation, is available with 400 and 450 horsepower ratings for heavy-duty port, freight and vocational applications. In-use testing has proven that Westport ISX G matches efficiency of diesel trucks in the same application. On typical heavy-duty truck applications, approximately 95% of the fuel energy used is from LNG. From LNG Landline Mar/Apr 2009: 400 to 450 hp, 1,450 to 1,750 lbs.-ft. of torque -- The ISX HPDI engine uses natural gas as the primary fuel, introduced to the cylinder through the patented two-stage HPDI injector. It delivers the natural gas charge along with a small quantity of diesel to the prompt ignition of the natural gas. The ISX HPDI engine will need a diesel particulate filer and SCR – selective catalytic reduction – to meet EPA 2010 emissions, though the big bonus is the 21 percent reduction in greenhouse gas emissions. The clean-air credits and buying incentives are based on reduced carbon dioxide output.