Originally Posted by rowan

Have you done research on "payback" periods for your solar system and the consumables in your car? I'm all for saving electricity but it's well known that solar panels (and probably your car's batteries) consume a lot of energy and raw materials when they're manufactured. Have you taken this negative offset into account when making your environmental decisions? ISTR some people say that a fuel efficient diesel car may actually be more environmentally friendly (OVERALL) than a Prius...