When the locomotive is traveling at a constant speed or idling, the battery rather than the diesel engine can power the motor.
当火车头在相对恒定速度下前进或者空转时，这时电池就为马达提供能量，柴油发动机不工作。
Later this summer, fuel-cell technology company Vehicle Projects, Inc., in Golden, Colo., plans to complete a prototype fuel cell–battery hybrid switcher locomotive that creates no emissions.
今年夏末，在科罗拉多州的戈登， 燃料电池技术公司Vehicle Projects公司计划完成了带有混合燃料电池转换器火车头的模型，这种火车头不产生废气。
Their first descent into the abyss started with an 800 metre ride through tunnels and caverns on the old Miners Tramway, a train hauled by a battery-electric locomotive.
两人先是乘坐老式矿场电吊车穿过了800米的地道和岩洞抵达洞穴。
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