While I was still down in Guatemala I got in touch with Peak Moment , a television show covering peak oil issues, and told them about w...

In the summer of '10 Aprovecho hosted a workshop on pedal powered machines which i had the pleasure of planning and tea...

Somewhere between the water pump and the straw chopper was the washing machine. It didn't go very far in my hands, but its worth bri...

When I first got to apro and started using the shop it looked a lot like this (though not this, this is my mess). It was a storage spac...

Once both ends of the container, lets call it the hopper, had been put together it was time to weld some bracing between them.   I t...