Cummins Westport introducing ISB6.7 G natural gas engine to Type C school bus market
Green Car Congress
JULY 28, 2015
liter MidRange, factory-built, dedicated natural gas engine ( earlier post ), to the Type C School bus market at the North American School Bus Show – STN Expo Conference and Trade Show in Reno, Nevada. G is Three-Way Catalyst (TWC) aftertreatment, which is packaged as a muffler, and is maintenance-free. Cummins Westport Inc.
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