UPS adds 48 more heavy-duty LNG tractor trucks to fleet; Westport HD System
Green Car Congress
FEBRUARY 22, 2011
and Las Vegas, Nev., The Westport HD GX engine is certified and compliant to 2010 US Environmental Protection Agency and California Air Resources Board emission standards in North America. UPS currently bases its 11 LNG tractors in Ontario, from which they can make the round trip to Las Vegas on one tank of fuel.
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