LED Lighting Efficiency Jumps Roughly 50% Since 2012
LED Lighting Considerations - Madison Gas and Electric - Madison, Wisconsin
LED lighting efficacy: Status and directions - ScienceDirect
LED lights: an economical and long-lasting solution - Stanpro
LED lighting efficacy: Status and directions - ScienceDirect
Is it time to throw the switch on LED Lighting? | HEP Sales
U.S. Energy Information Administration - EIA - Independent Statistics and Analysis
White LEDs with super-high luminous efficacy could satisfy all general lighting needs
Lighting Change (And picking the right light bulb.) - creatingmaryshome.com | Energy efficient lighting, Energy efficient bulbs, Energy efficient light bulbs
Why Is LED Lighting More Efficient? | REenergizeCO | Denver
Reasons To Consider LED Light Installation - Penna Electric
LED light becomes extremely hot - Electrical Engineering Stack Exchange