BBC has an interesting article on the fuel cell prototype laptops. The good news is the fuel cell runs the laptop for 10 hours on a 100 ml of methanol. But wait before you start stocking up on your methanol cartridges... the bad news is that the prototypes are the size of a liter bottle of water and weigh about the same.
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When I first heard about this on NPR a few weeks back and this one, I had this vision that the fuel cell laptops would just have this small methanol cartridge doc on the side. Ah, Imagine just stocking up on 4 cartdriges to run my laptop for a week without needing to plug in once! I bet we will see it some day....