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UPS adds 48 more heavy-duty LNG tractor trucks to fleet; Westport HD System

Green Car Congress

Manufactured by Kenworth, the LNG tractors are powered by Westport HD Systems and initially will pull trailers on a transit lane linking Ontario, Calif., UPS is the only private delivery company using this technology in its fleet and now has more than 1,100 natural gas-powered vehicles in service. and Las Vegas, Nev.,

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Kenworth and Peterbilt to add heavy-duty Cummins Westport ISX12 G to line of natural gas engines

Green Car Congress

Kenworth Truck Company and Peterbilt Motor Company will expanding their alternative fuel line-up by offering the Cummins Westport ISX12 G heavy duty natural gas engine ( earlier post ) for use in regional haul, vocational and refuse markets. —Michelle Harry, Kenworth natural gas vehicle marketing manager.

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