net-zero-energy buildings Archives - Page 2 of 2

Solar Tech Improvements; Solar Project News; Solar Manufacturing News… (Solar Energy News Roundup)

June 21, 201212 years ago Zachary Shahan 1 Comment

Other than the solar energy news we’ve already posted on, here’s some more solar energy news from the last week or so from around the cleantech interwebs: Solar Technology News Solar nanowire array may increase percentage of sun’s frequencies available for energy conversion. Changing the concentration of indium allows … [continued]

LED Street Lights Cut Energy Use 85% in 12 Large Cities; LED $10M CASH for…

June 20, 201212 years ago Zachary Shahan 3 Comments

Some energy efficiency news from around (other than our energy efficiency stories from the last week): An LED street lighting trial in 12 of the world’s largest cities has shown energy savings of up to 85%. The findings of LightSavers, an independent two-and-a-half-year global pilot of LED lamps in … [continued]