I think a good artificial noise for electric cars to generate, so they are audible enough for pedestrians and others to be aware of them nearby, would be the synths from Darude's Sandstorm.

@jackdaw_ruiz In all seriousness though, have you ever been in a parking lot or slow traffic when a car is approaching you from behind? What do you hear? It's not engine noise, even if it's a gas-powered vehicle, unless it's got straight pipes or they're revving their engine to deliberately make obnoxious noise. What you hear is tire noise, and at slightly higher speeds wind noise.

All the nonsense about "I got hit by an electric car because I couldn't hear it" is oil company propaganda.

@callisto

mmm electric cars are seriously like 1/10th the noise (obvs depending on variables at any moment like if it's accelerating or idling, etc...) and the difference ends up being are they loud enough to be noticeable above other ambient sound, or not?

like. I am posting this from a parking lot in Portland right now. EVs gliding past me as I type. the petro industry is godawful but asking someone to disregard their own sensory input and chalk it up to conspiracy is a fridge too far.

@jackdaw_ruiz @callisto now, I don’t drive and I don’t know car breeds *at all*, but any time I’m walking and I hear a weird whirring or swishing noise or whatever I know there’s an electric car near. The volume is not linearly proportional to speed, it starts off loud enough that you can hear it even at a crawl, at least assuming your hearing is ok. “Disregard[ing] their own sensory input” is not the same thing as “lacking situational awareness.”
@jackdaw_ruiz @callisto I like how EVs don’t sound like anything else. You know what it is, because nothing else sounds like that.