By on August 29, 2018

Car noise hearing

One of the benefits touted by early electric car advocates was a reduction in noise pollution stemming from automobiles. Electric motors have the potential to run far quieter than their internal combustion rivals, which could result in softer-sounding roadways.

The U.S. Department of Transportation started seriously worrying about the safety implications of silent-running vehicles back in 2010. Still, it wasn’t until this year that it legally imposed artificial noises on EVs as a way to warn inattentive or impaired pedestrians. Starting in 2020, vehicles with a GVWR of less than 10,000 pounds must emit a pedestrian-warning noise at speeds below 18.6 miles per hour.

However, despite a lengthy dialogue between government and industry, Ford was apparently seeking an exception for the federally mandated noise maker(Read More…)

By on November 15, 2016

Car noise hearing

The U.S. Transportation Department has finalized rules that will require electric vehicles and hybrids to emit “alert sounds” at speeds below 18.6 miles per hour, to warn cyclists, pedestrians, and the blind of the approaching danger.

By adding noise to silent-running vehicles, the NHTSA and DOT hope to reduce the number of people currently being run over by EVs. Is this a big problem, you ask? Apparently it is — the regulator claims EVs are 19 percent more likely to strike human flesh.

(Read More…)

By on December 11, 2012

Since we were on the subject of electronic and computerized vehicle protection systems, it seemed like a logical move to begin a discussion of another long-standing and not universally beloved vehicle subsystem—this one ostensibly purposed to save us from ourselves, or at least our vehicles from “the nut behind the wheel”. (Read More…)

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