The NHTSA delays the final ruling of the Pedestrian Safety Enhancement Act, meaning it won't come into compliance until 2018. The move has upset the National Federation for the Blind, which has been lobbying for more than a decade for built-in automated alerts for EVs and hybrids moving at low speeds.
National Federation For The Blind
I mentioned in my driving impression of the Chevrolet Sequel that engineers need to do something about the whooshing sound coming out of the tailpipe. The frequency and texture have absolutely no intrinsic connection to the automobile. Fortunately, you can barely hear it.