As summer approaches, energy providers are preparing for the few days per year when their systems will be pushed to the limit. To help reduce the enormous electricity demand from air conditioners, people can follow several tips on energy conservation given on this site. A number of informative guides and fact sheets explain proper maintenance and usage practices that can help to maximize energy...

In October 2002, teams of students from universities around the US competed in the Solar Decathlon, an eleven-day event that challenges the participants "to design, build, and operate the most effective and efficient solar-powered house." The Solar Decathlon homepage features information about the contest, the different designs, and the experiences of each team. Contestants also share their...