1. Energy Star is an international standard for energy efficient consumer products originated in the United States. It was created in 1992 by the Environmental Protection Agency.

Source: http://en.wikipedia.org/wiki/Energy_Star

EnerGuide is the official mark of the Government of Canada for its energy performance rating and labeling program for key consumer items—houses, light-duty vehicles, and certain energy-using products.

Source: http://www.nrcan.gc.ca/energy/products/energuide/12523