This item just in from Fox News:
“NEC initially plans to introduce a computer with a fuel-cell system able to run for five consecutive hours on a single cartridge of methanol fuel, but also plans to make a PC within two years that can run continuously for as long as 40 hours”
If they get up to 40 hours on a single refillable charge, the laptop becomes a useful accessory for wilderness work where power is far away. This will be a major boon to naturalists, geologists and other field scientists.
It will also be of immense advantage to Special Forces. A long lived and lighter portable equipment power technology is certain to be welcome in the backpack.