Exhaust Fuel Kenworth 
Green Car Congress
MARCH 27, 2014
Kenworth T680 Advantage. 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. —Kevin Baney, Kenworth chief engineer. Kenworth T680 Advantage.
Green Car Congress
DECEMBER 22, 2009
Kenworth Truck Company is expanding its product line with the introduction of the Cummins Westport ISL G natural gas engine for the Kenworth T800 short hood and W900S models. Now available for order, Kenworth's natural gas models are focused on vocational, municipal, and pickup and delivery applications. Earlier post.)
Green Car Congress
MARCH 25, 2015
The latest Kenworth T680 Advantage—Kenworth’s fuel-efficiency leader—has gained up to 10% in fuel efficiency compared to a standard Kenworth T680 built in 2013. The 10% gain for the heavy-duty truck equates to a yearly savings of more than $4,600 in fuel per truck for the average long-haul operation.
Green Car Congress
SEPTEMBER 16, 2014
The increase in severe duty operations is due to changing driving habits on highway, including shorter haul lengths, the growth in intermodal delivery, and more stop-and-go operations, while off-highway has new energy efficient equipment that helps minimize fuel usage by cycling engines from load to no load.
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).
Green Car Congress
FEBRUARY 22, 2011
Manufactured by Kenworth, the LNG tractors are powered by Westport HD Systems and initially will pull trailers on a transit lane linking Ontario, Calif., These LNGs are expected to produce 25% fewer greenhouse gas emissions compared to the older trucks and use 95% less diesel fuel than the vehicles they replace. and Las Vegas, Nev.,
Green Car Congress
DECEMBER 10, 2013
Westport HPDI uses natural gas as the primary fuel in a Diesel (compression ignition) cycle along with a small amount of diesel fuel as an ignition source. This allows small quantities of diesel fuel and large quantities of natural gas to be delivered at high pressure to the combustion chamber. Earlier post.). Westport HPDI 2.0
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