Practical Photovoltaic Applications

Solar electric technology has come far enough that powering your house is now within the realm of practical photovoltaic applications.

070 photovoltaic applications 3 electric rototiller
Richard Pratt uses a 12-volt Sears electric rototiller (unfortunately, this model has been discontinued) when he cultivates his garden.
T.J. BYERS AND MOTHER EARTH NEWS STAFF