Natural Gas

Why Natural Gas?

Natural Gas engines help lower emissions and reduce a vehicle’s overall environmental impact without sacrificing the performance needed to get the job done.

 

Natural gas engines – What to expect 

 

The Cummins Westport B6.7N, L9N, and ISX12N set the standard for natural gas engine performance and reliability while offering near-zero emissions.

  • NOx levels 90% below current EPA standards
  • Particulate Matter levels 90% below current EPA standard
  • CO2 equivalents 16% below current EPA standard
  • Can achieve sub-zero emissions when using renewable natural gas (RNG)

Natural gas engines are also the most mature, proven, and least disruptive alternative power technology available today. 

All Cummins Westport natural gas engines:

  • Fit current transportation / people & goods movement models
  • Are powered with abundant, low-priced domestic fuel
  • Don’t require radical changes in vehicle technology
  • Don’t require radical changes in transportation or support infrastructure
  • Meet US energy source goals
  • Contribute to energy independence initiatives
  • Deliver on fossil fuel reduction initiatives

 

Cummins Westport ISX12N

 

The lowest emission truck and bus engines available in North America

refuse truckCummins Westport is the industry leader in clean, reliable natural gas engines, leveraging the experience gained from manufacturing nearly 85,000 engines over almost 30 years. The portfolio of 6 to 12-liter spark ignited engines deliver ultra-low emissions across a variety of on-highway commercial applications including truck, school and transit bus, and vocational use. Our dedicated 100% natural gas engines are manufactured by Cummins, backed by Cummins’ industry leading support network, and are available as a factory-direct option from leading truck and bus manufacturers.

Operational Advantages

Natural gas engines have operational ranges similar to their diesel counterparts, offering route flexibility for on-highway truck and bus applications:

  • Urban delivery and “last mile”
  • Refuse trucks, cement mixers, municipal fleets, transfer trucks, drayage trucks, yard spotters, and more  
  • Regional LTL carriers, shuttle/transfer trucks, dedicated lanes, contract mail carriers, all “return to base” type of operations 
  • School and metro transit bus

Natural gas stationAbundant and low-cost domestic fuel

Compressed natural gas is transferred via millions of miles of pipeline throughout North America. There are more than 800 public natural gas refueling sites, but many commercial natural gas vehicles operating in the US refuel at private behind the fence operations.

Maintenance & Fluid Free Exhaust Treatment System

The maintenance-free and DEF fluid free Three-Way Catalyst is similar to a catalyst on gasoline passenger cars or pick-up trucks. This is the single most important difference between NG and diesel-powered vehicles.

The Three-way Catalyst exhaust treatment system used with natural gas engines is maintenance free. That means no active regeneration, no fluids, no filter cleaning and no filter replacements. This helps keep Total Cost of Operation down. 

User tools

Here are some tools for calculating fuel quality and greenhouse gas emissions.

Fuel Quality Calculator

Greenhouse Gas Emissions Calculator

 

Customer Testimonials

 

Waste Management - Moreno Valley

 

Fair Oaks Farms

 

Ozinga Ready Mix

 

Matheson Trucking

 

Cal Portland

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