如果为码头拖船配备一套电池系统，让拖船使用油电混合动力系统，能大幅度降低油料的消耗量和二氧化碳的排放量。

Adding a battery system to a harbour tug would allow it to be used as a hybrid, greatly reducing fuel and carbon-dioxide emissions.

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这个想法是要恢复能源来提供，低消耗量的通讯设备，我们能避免使用要会造成，有毒物质的蓄电或必须跟换的电池。

The idea is to recuperate energy to feed low consumption communicating devices. So we can avoid using batteries which need recharging or changing, and create toxic waste.

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大多数电动自行车依靠酸性电池，这种非常廉价的上世纪的技术已经不能满足于每天消耗量的上升。

Most e-bikes rely on lead-acid batteries, cheap century-old technology unsuitable for the growing demands of daily commuting.

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