One is advised to remove heavy things_____.

　　定位到文中第二段的第三句，“Besides, stick to the speed limit, keep your tires properly filled with air, empty your trunk of heavy items, and accelerate and brake gently.”，如果你必须要开车，选择低能耗的车。此外，坚持限速，保持轮胎充满空气，清空后备箱中的重物，并轻轻加速和制动。故选A。