HHP Summit 2017


The ISL G NZ – ‘Near Zero’ from CWI

October 6, 2015 in New Products, NGVs, Technology by Rich Piellisch  |  No Comments

‘Game-Changing Reduction in Urban Tailpipe and Engine-Related Emissions’
Engine with GHG and Ozone-NOx Benefits ‘Could Not Have Been More Timely,’
Company Asks That Credit Be Given Under New Federal Emissions Regulations

Cummins Westport, Inc. has begun marketing its Near Zero ISL G dedicated-natural gas engine as the ISL G NZ, having secured certification of nitrogen oxide emissions at just 0.02 grams per brake-horsepower – 90% below 2010 U.S. EPA requirements.

CWI Recalls Both the ISL G and ISX12 G

March 4, 2014 in NGVs by Rich Piellisch  |  No Comments

Cold Winter Takes Its Toll on Cummins Westport’s Spark Engines,
Intake Ice Can ‘Induce Elevated Exhaust Temperatures or Flames’

The fell winter has dealt a blow to natural gas trucking. Cummins Westport, Inc. has recalled more than 25,000 of its market-dominating dedicated-natural gas engines due to a problem with intake manifold ice that could present a fire hazard. Both the 8.9-liter ISL G and new 11.9-liter ISX12 G are affected.

Cummins Westport ISX12 G Update

December 19, 2012 in CNG, LNG, NGVs by Rich Piellisch  |  No Comments

Production in April, Full-Scale Production in August

Autocar, Freightliner, Kenworth, Peterbilt and Volvo can expect to receive limited quantities of the 350-horsepower version of the dedicated-natural gas ISX12 G engine Cummins Westport in April, by which time full U.S. EPA and California certifications will be in place. Limited quantities of the 385- and 400-horsepower versions of the new 11.9-liter spark-ignition engine will become available in July. Full-scale production of all variants is to commence in August.

Freightliner: LA to DC on CNG

May 20, 2012 in CNG, NGVs by Rich Piellisch  |  No Comments

A Freightliner Cascadia 113-inch BBC day cab tractor powered by the new Cummins Westport ISX12 G natural gas engine took off from ACT Expo Thursday, headed east on the manufacturer’s first-ever heavy duty U.S. crossing –fueled all the way by public-access CNG.

“We wanted to show the status of natural gas infrastructure,” Daimler Trucks marketing strategy GM David Hames said Wednesday. The truck will stop at roughly 700- to 750-mile intervals to fuel – “entirely on public fueling stations,” he said.

Freightliner Cascadia 113 with ISX12 G

March 26, 2012 in CNG, NGVs by rich  |  No Comments

The Cascadia 113 tractor from Freightliner Trucks will be available next year with the new Cummins Westport ISX12 G dedicated-natural gas engine as a factory-installed option.

ISX12 G Gets Heavy Exposure at MATS

March 21, 2012 in NGVs by rich  |  No Comments

Cummins Announces Its Own 15-Liter Spark Engine

The 11.9-liter engine that’s been an open secret as the key to increased penetration of natural gas in over-the-road trucking is getting heavy exposure at the Mid America Truck Show in Louisville, just one month after the spark-ignition powerplant was formally announced as the ISX12 G by Cummins Westport, Inc.

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