Full article. The article is rather long, but I found it an interesting read. There is also mention of EEStor's efforts toward the end of the article. I also think it interesting that some vehicles are already out there that use the technology. IMHO, since they are far more efficient than any other energy storage means, ultra caps are the way to go. Thanks to this site.
<div class='quotetop'>QUOTE(Wiyosaya @ Nov 6 2007, 07:06 PM) [snapback]535597[/snapback]</div> They could certainly help reduce the inefficiency of urban stop-and-go traffic, where the very limited energy density is less of a problem and braking is most frequent.