Green Car Congress

JULY 6, 2010

The Westport HD System offers class-leading performance for heavy-duty on-road Class 8 trucks and allows trucking fleets to move to lower-cost, domestically available and low-carbon natural gas and/or biogas. Factory installation of the GX is available in both Kenworth and Peterbilt tractors.

2010 186

2010 EPA Engine Kenworth 186

Green Car Congress

MARCH 22, 2012

Kenworth Truck Company and Peterbilt Motor Company will expanding their alternative fuel line-up by offering the Cummins Westport ISX12 G heavy duty natural gas engine ( earlier post ) for use in regional haul, vocational and refuse markets. —Michelle Harry, Kenworth natural gas vehicle marketing manager. Click to enlarge.

Kenworth 291

Kenworth Peterbilt Gas Engine 291

Green Car Congress

MARCH 27, 2014

At the Mid-America Trucking show, PACCAR companies Kenworth and Peterbilt introduced more fuel efficient version of their heavy-duty models: the Kenworth T680 Advantage and the Peterbilt Model 579 with EPIQ package. Factory-installed aerodynamic treatments add to the fuel savings. Peterbilt Model 579 with EPIQ.

Kenworth 275

Kenworth Peterbilt Eaton Fuel 275