who'd put this on their wrists day in and day out?

Me. Except I'd probably wear it as an armband.

(Piffle. It stripped the actual link out. I hope this works.)
http://www.nsf.gov/news/news_summ.jsp?cntn_id=108206

Here's the link: it was an NSF-funded study by Tilman and others at the University of Minnesota.

Biofuels are the most practical short-term alternative to oil, but corn really is a silly way to get it. The farmers and Dorgans of the world are for it, for obvious reasons, but corn needs fertilizers, pesticides, herbicides, and those are all made from petroleum derivatives. There's also the ethical angle of growing food to burn in cars when people need it more, and all the usual arguments there. Corn, however, is _not_ the only usable raw material. There was some recent research (if I can find the link, I'll come back and post it in another comment) pointing out that prairie plants form almost as good a raw material, and wind up way ahead because they need no other inputs. Apparently, the main thing holding back their use, is that there's no corn lobby behind them.

Will this be the day??

me, me, me!

Hey, I want to see my name in lights!

trying again. and no doubt again, and again, and again....

Whaddya mean I didn't win? Why not? Just for you guys, I'll try again. (Did I mention I want one of these?)

I want one! I want one. I want one. Me, me, me!