Millennium Cell closed up over 21% on the day to $2.22. As this article shows, MC is one of the leading companies trying to crack the problem of hydrogen storage.

"The most critical barrier to the hydrogen economy" says Steve Chalk of the Department of Energy, is creating a viable hydrogen storage platform. More specifically, weight, volume, cost and refuelling times are the limits right now. The DoE is now sponsoring research to meet these goals.

President Bush gave a speech 2 years ago claiming that any child born now should be learning to drive on a hydrogen vehicle. Right now, that's looking unlikely.