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 natural gas engine is based on the Cummins ISB6.7 greenhouse gas (GHG) and fuel-economy regulations. The ISB6.7
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