UPS adds 48 more heavy-duty LNG tractor trucks to fleet; Westport HD System
Green Car Congress
FEBRUARY 22, 2011
Manufactured by Kenworth, the LNG tractors are powered by Westport HD Systems and initially will pull trailers on a transit lane linking Ontario, Calif., and Las Vegas, Nev., 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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