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NHTSA Withdraws Proposed Rule for Accelerator Control Systems

Date: May 14, 2019

On May 14, the National Highway Traffic Safety Administration (NHTSA) withdrew a proposed rule to amend vehicle safety regulations for accelerator control systems based on an evaluation of the analysis and comments received.

Initiated on April 16, 2012, NHTSA sought to include a new requirement for brake-throttle override (BTO) and revise “return-to-idle” requirements to include electronic throttle control (ETC) systems. However, since then, the landscape has changed. BTO systems, as of model year 2018, have been voluntarily adopted by car makers. As for ETCs, NHTSA’s analysis determined that “an extensive upgrade of FMVSS No. 124 in a way that provides meaningful protection from a variety of possible ETC system failures is not currently feasible.”

MEMA did not comment on this rulemaking in 2012.

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