- iPhone
- By Filip Truta
- September 28th, 2012
iPhone 5 Annual Charging Costs Estimated at $0.41/€0.3
Energy efficiency company measures power consumption for popular handsets
- Energy
- By Oana Grigoras
- October 18th, 2011
Facebook, NRDC and Opower Teach the Lesson of Energy Preservation
Officials announced their partnership in creating a green application for 4 million users