电动汽车不仅节省能源，降低尾气排放，而且开动起来也更加安静。
WHEN cars run on electric power they not only save fuel and cut emissions but also run more quietly.
在购买新车时，多考虑购买可以节省能源而且温室气体排放量较低的车子。
When purchasing a new car, consider buying an energy-saving and low green house gas emission car.
太阳能汽车不仅节省能源，而且即使在高速行驶时噪音也很小。
Solar cars not only save energy, and even in the high-speed traffic noise is minimal when.
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