What is the cheapest new alternative energy? | …
2011-4-25 · There's no doubt about it: The environmental movement is coming of age. From solar-powered watches and cars that run on salt water to naturally derived cleaning sprays and curbside recycling, lots of people are going green. Nevertheless, when it comes to high-ticket items, like the cars we drive and how we power our homes, the steep costs of alternative energy sometimes keep us from …