We built a 1000 watt wind turbine to help charge the battery bank that powers our offgrid home. It's a permanent magnet alternator, generating 3 phase ac, rectified to dc, and fed to a charge controller.
Make a Biogas Generator to Produce Your Own Natural Gas - Renewable Energy - MOTHER EARTH NEWS. My question - what is the carbon footprint of this generator? Is it less safe than a solar/wind/hydro electric generator?