Green Car Congress

JULY 6, 2010

The Westport HD System features the Westport GX 15L engine—based on the Cummins ISX diesel engine with cooled exhaust gas recirculation—and Westport’s liquefied natural gas (LNG) fuel system (LNG fuel tanks, proprietary Westport fuel injectors, cryogenic fuel pumps).

2010 186

2010 EPA Engine Kenworth 186

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. Kenworth says that the T680 Advantage can deliver up to a 5% fuel efficiency enhancement over a standard T680.

Kenworth 275

Kenworth Peterbilt Eaton Fuel 275

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. Peterbilt uses the ISL G and Westport GX engine. liter Cummins Westport ISL G.

Kenworth 291

Kenworth Peterbilt Gas Engine 291