That, and a number of EVs emit artificial sound inside the vehicle so the driver can hear louder noises at higher speeds. This is, of course, a terrible idea, but car makers seem to think that cars should be noisy. Some cars let you choose what kind of noise the car will make. A few let you turn it off. The Ocean better be one that adds no noise or at least lets me turn it off.Tire and wind are the two most prevalent noises for EVs.