CNET Asia has some information about fuel-cell setups that many of us have been anticipating:
Its UC25 deploys readily available, low-cost methanol fuel in a compact package, and features twice the energy density of Lithium batteries at 25 watts of continuous power. In short, that means you can get nearly two days of juice for your laptop.
It should come out at the end of this year, and it looks like you could use it to power/recharge an existing notebook through an adapter (I’m hoping that’s the case). This has only been talked about for the last few years.