Replacing diesel by diesel-natural gas as the fuel for drilling engine unit in natural gas field is one of the effective ways for improving economic benefit and reducing development cost.

天然气气田钻井发动机机组燃料由柴油改为柴油-天然气双燃料，是提高经济效益、降低开发成本的有效途径之一。

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It can replace the traditional mechanical diesel engine unit.

可取代传统的机械式柴油发动机组， 无噪声、 无烟尘、 无公害；

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Power adopts 400v diesel engine unit or industrial power network.

动力采用400v柴油发电机组或工业电网。

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For some models it might be more cost effective to replace the engine with a remanufactured unit than to keep swapping it out a part at a time.

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Ms Webb said it was a "fundamental ripping out of the engine of Trident" and the unit would now exist in name only.

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The power electronics unit integrated in the engine compartment operates at a level of around 370V and manages the flow of high-voltage energy to and from the battery and the electric motors.

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