On the other hand, alternative fuels do have drawbacks.
另一方面，替代燃料确实也有缺点。
Use of alternative fuels like ethanol has also grown.
可替代燃料如乙醇的使用增多。
BMW also has a checkered past with alternative fuels.
宝马在可替代能源方面也有一段曲折的过去。
The problem of alternative fuels of vehicle is one problem we shall approach.
车辆的代用燃料是我们将要着手处理的一个问题。
Policy should encourage energy efficiency and support research into alternative fuels.
政策应该鼓励提高能源使用效率并支持可替代燃料的研发。
Policy should encourage energy efficiency and support research into alternative fuels.
政策应该鼓励提高能源使用效率并支持可替代燃料的研发。
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