Hi Graham, Marcus and readers of my open letters at http://dadamac.posterous.com

I'm not practical enough to know if any of the suggestions here are any good in reality  but Timbuktu Chronicles
has some fascinating ideas and good links to other African sites. Can anyone tell me more?

~~~~~~~~~~~~~~~~~~~
Beer Cans to Fuel Cells

posted by Emeka Okafor at Timbuktu Chronicles - 4 days ago
AVIF provides a step by step how-to on building fuel cells with "...a mixture of crushed beer cans, and other household aluminium...The battery is made using plastic pipe and standard parts (apart from the...