Anyone who has shopped for a major appliance in the last 15 or 16 years has seen the bright yellow Energy Star sticker that is pasted to the body of each, with the most energy efficient product earning a rating as Energy Star qualified. All major home appliances must meet the Appliance Standards Program set by the US Department of Energy (DOE). Energy Guide labels will note whether the product is ENERGY STAR qualified. Not all products tested earn this qualification. Manufacturers must use standard...