Apparently it uses electromagnetics (like a speaker) to provide suspension. Very cool video:

http://www.youtube.com/watch?v=eSi6J-QK1lw&eurl=http%3A%2F%2Fwww%2Eautoblog%2Ecom%2F2007%2F09%2F21%2Fvideo%2Dbose%2Dsuspens ion%2Din%2Daction%2F

THAT'S INSANE!!! i see future lowriders using this. haha i wonder if you can hook it up to your stereo system. talk about base

Haha, you'd really feel the hits.