ENERGY EFFICIENCY: 2 Cree LED bulbs receive Energy Star rating Published: Friday, October 11, 2013 Two household light-emitting diode bulbs produced by Cree Inc. have received Energy Star certification, the company said. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.