Due to their low speeds and limited Battery range were not drawbacks, and the cars became popular for their quietness and lowmaintenance costs.
因为电瓶车的速度低，一次充电的行程有限，但它们的低噪音、维修费低，特别受欢迎。
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Equipped with its own high-performance silicon solar panels, efficient and lowmaintenance-free battery power supply system components, can guarantee the normal rainy days in a row for 20 days.
Based on software from Salesforce. com and Microsoft, this will enable a car to send a tweet-like message to its owner telling him that, say, its battery is running low or a maintenance check is due.