USA Requires ESP on large commercial buses
28 May 2012
www.chinabuses.org: The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) has proposed a new federal motor vehicle safety standard to require electronic stability control (ESC) systems on large commercial trucks, motorcoaches, and other large buses, with a GVW of greater than 11,793 kg.
ESC systems use engine torque control and computer-controlled braking of individual wheels to assist the driver in maintaining control of the vehicle and maintaining its heading in situations in which the vehicle is becoming roll unstable or experiencing loss of control due to under- or oversteer leading to directional loss of control.
In such situations, notes NHTSA, intervention by the ESC system can assist the driver in maintaining control of the vehicle, thereby preventing fatalities and injuries associated with vehicle rollover or collision. NHTSA research shows the technology could prevent up to 56% of rollover crashes each year—the deadliest among all crash types—and another 14% of loss-of-control crashes.
Source : www.chinabuses.org
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