Assertion: railway's diesel locomotive | /r/ObjectUse | used in several countries
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text: Electro-diesel locomotives which can operate as an electric locomotive on electrified lines but have an on-board diesel engine for non-electrified sections or sidings have been used in several countries; examples are the British Class 73 from the 1960s and the last mile concept from around 2011, where an electric freight locomotive can work sidings under Diesel power (TRAX dual mode).