noun
diesel electric car
Refers to a self-propelled rail vehicle powered by a diesel engine driving an electric generator, typically a diesel-electric multiple unit (DEMU) or railcar.
この路線ではディーゼル電気車が運行されている。
Diesel electric cars are operated on this line.
Compound of ディーゼル (diesel) + 電気 (electric) + 車 (car), a direct calque of English 'diesel electric car'.