Reuters: An international clean energy coalition is searching for the world's most energy-efficient appliances, and has launched a contest to find the top energy-saving computer monitors as part of an effort to drive down electricity usage. The contest will be sponsored by U.S. Energy Department and other governments. Desktop computer monitors annually use about 30 to 40 terawatt-hours of electricity, equivalent to about 10 mid-sized coal fired power plants, organizers said. Steve Pantano, an administrator...