What Does Energy Star Mean?
Energy Star is a government-initiated labeling program created by the U.S. Environmental Protection Agency (EPA) in the early 1990s to recognize and promote energy-efficient products.
Techopedia Explains Energy Star
The Energy Star program was started by the U.S. EPA and U.S. Department of Energy (DOE) in an attempt to reduce energy consumption and the amount of greenhouse emissions by power plants. The program was created by John S. Hoffman, who also invented the green programs at the EPA.