It is now focusing on possible problems with the design of the throttlepedal and the vehicles' electronics.
NHTSA现正集中检测在油门踏板和车辆的电子产品等设计中可能出现的问题。
2
You control the amount of air that passes through the throttle plate and into the engine with the gas pedal.
通过油门踏板，你能控制经过节气门进入发动机的空气量。
3
Electronic throttles replace mechanical links between the gas pedal and the throttle with electronic relays. The systems, used widely in the industry, reduce vehicle weight and fuel waste.