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bob1029today at 5:23 PM1 replyview on HN

Starting a motor is much noisier than idling a motor.

It's "idle start/stop". not "idle stop". At some point the light will turn green.


Replies

margalabargalatoday at 5:53 PM

Having stood next to many cars starting after an idle stop, the start is barely louder than the idle. The area under the curve is far smaller for idle start/stop than it is for leaving the vehicle running.