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.)

Kenworth 186

Kenworth Gas Engine Production 186

Green Car Congress

JULY 6, 2010

The Westport GX 2010 15L engine has been certified by the US Environmental Protection Agency (EPA) to 2010 emissions compliance—0.2 Factory installation of the GX is available in both Kenworth and Peterbilt tractors. g/bhp-hr oxides of nitrogen (NO x ) and 0.01

2010 186

2010 EPA Engine Peterbilt 186

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

Gas 220

Gas Diesel Fuel Economy Engine 220