compost

Pedal-powered compost bin

Here’s a humongous barrel-type compost rig that can turn up to 500 lbs of a load using pedal-power. All the parts were made from bike drive trains and parts found around the shop. This might be overkill for a household, but might make sense for a small community garden. Definitely you’d get some exercise while […]

The power of poo

The power of poo

Brothers Kevin and Daryl Maas of Washington State are producing electricity from cow manure. We use a proven, commercialized technology called a manure digester to harvest methane gas from manure. We burn the methane to create electricity, while sending the processed manure back to the farmers as an organic fertilizer now free of pathogens and […]

Double-barrel composter

Double-barrel composter

I have a confession: I have a something of a compost fetish. I built my first pile when I was 16 years old. I instantly feel in love with the earthy alchemy of the whole process: dumping in a wide variety of yard and kitchen waste, carefully tending it over time, seeing and feeling the […]