It's already been posted on this forum, but Ford posted youtube videos containing some of the 'sound' options that the 2012 Ford Focus Electric will have.
http://myfocuselectric.com/forum/viewtopic.php?f=2&t=273
Ford's engineering team will add sound to the Focus Electric to enable pedestrians and nearby motorists to hear and know that a vehicle is moving.
http://myfocuselectric.com/forum/viewtopic.php?f=2&t=273
Ford's engineering team will add sound to the Focus Electric to enable pedestrians and nearby motorists to hear and know that a vehicle is moving.