- Enertia: Houses Heated + Cooled by the Sun – [includes video] No furnace, air conditioner, heat pump or swamp cooler — just an innovative design that harnesses geothermal energy and sunlight year round.
- Sydney Leading Light in Hour of No Power – This ambitious plan aims to send a message to Australians about climate change. It hopes its Earth Hour campaign will demonstrate the connection between the electricity people use in homes and offices and the climate change pollution that coal-fired power stations generate. Via Linton.
- New World Record Achieved in Solar Cell Technology – With DOE funding, a concentrator solar cell produced by Boeing-Spectrolab has recently achieved a world-record conversion efficiency of 40.7 percent, establishing a new milestone in sunlight-to-electricity performance. Via Celsias.
- Mileage From Megawatts: Enough Grid Capacity to Charge Plug-in Hybrids – A new study for the Department of Energy finds that "off-peak" electricity production and transmission capacity could fuel 84 percent of the country’s 220 million vehicles if they were plug-in hybrid electrics.
Article tags: alternative energy, residential