Cummins Westport ISB6.7 G midrange natural gas engine now in full production
Green Car Congress
DECEMBER 9, 2016
Cummins Westport’s ISB6.7 G, a 6.7 liter midrange, factory-built natural gas engine is now fully available as a production engine for shuttle bus, medium duty truck, and vocational applications in North America. ( Earlier post.) As previously announced, the engine has been available for school bus applications since May 2016 from Thomas Built Buses.
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