Ô tô giảm 25% nhiên liệu nhờ bánh đà
Cập nhật: 13:13 03/04/2014 GMT+7
Có một số giải pháp phục hồi động năng của xe để tiết kiệm nhiên liệu, nhưng cách mà hãng xe Volvo sử dụng cơ cấu bánh đà tỏ ra hiệu quả cao...
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