Cummins Westport Sells First ISL G Engine

Posted on October 26, 2006

Cummins Westport Inc. has completed the first commercial order of its ISL G natural gas engine to Sacramento Regional Transit District, Sacramento, Calif. The order is for 91 of the ISL G engines which will be installed in 40 ft. Low-Floor Buses in 2007.

According to Cummins Westport, the ISL G natural gas engine meets 2010 emission standards of 0.2 g/bhp-hr NOx and 0.01 g/bhp-hr PM emissions while providing improved fuel economy. The engine is based on the Cummins ISL diesel engine which incorporates EGR and stoichiometric combustion and allows the use of a three way catalyst. Ratings on the ISL G engine are from 250 to 320 hp. Displacement is 8.85 L.

Cummins Westport is a joint venture company between Cummins Inc. and Westport Innovations Inc. which manufactures and sells a range of low-emissions alternative fueled engines for commercial transportation applications. It is based Vancouver, British Columbia, Canada.

Sacramento Regional Transit District operates 76 light rail vehicles, 254 buses powered by compressed natural gas (CNG) and 17 shuttle vans. Sacramento Regional Transit has been operating natural gas vehicles for over 12 years.