Mặt đường cứng sẽ tiết kiệm xăng
Cập nhật: 08:31 30/05/2012 GMT+7
Các kỹ sư Học viện công nghệ Massachusetts đã lập mô hình toán học về lớp phủ trên cùng của mặt đường và đề xuất cách tiết kiệm được 3% nhiên liệu tiêu hao khi đi lại.
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