Spokesman Dan Stessel says the dual-mode engine is the first of its kind on any railroad in North America.
The locomotive is one of 26 purchased by a $310 million order in 2008 that was made with the now-defunct /*Hudson River*/ commuter rail tunnel in mind.
The engines would have allowed trains on the Pascack Valley Line in /*Bergen County*/ to go directly through the tunnel without switching to an electric locomotive as they do now.
Gov. /*Chris Christie*/ cancelled the project in October.
Sixty percent of /*NJ Transit*/'s tracks are not electrified.
Stessel says dual-mode engines using a combination track can switch to electric and save on diesel fuel.
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ONLINE: njtransit.com
