Install a Solar Photovoltaic Roof to Generate Free Electricity

Terri Suess and Cheryl Long discuss how you can save money and reduce pollution when you install a solar photovoltaic roof.

Renewable-energy specialist Stephen Heckeroth driving his electric tractor. He uses solar panels (including those visible on the barn roof in the background) to charge the batteries that power the tractor.
Renewable-energy specialist Stephen Heckeroth driving his electric tractor. He uses solar panels (including those visible on the barn roof in the background) to charge the batteries that power the tractor.
STEVE HECKEROTH