With several feet of car body in front of the driver, the energy of a crash can be dissipated and the suddenness of the change in velocity can be reduced, they say.

• 他们认为，如果驾驶员前方车体部分的尺寸能够达到几英尺长，就能消散碰撞产生的能量，降低速度变化的突然性。