FREE Cell Phone MLS Access! Sign Up Here

Click the phone below to access every listing on your cell phone for FREE!

Saturday, March 7, 2009

CNet Special Report On Green Tech, Day Three

Day Three:
Making solar cheaper than coal
Typical polysilicon solar cells--the most common cell material--convert about 15 percent of the sunlight that hits them into electricity. Sachs' work has focused on boosting that efficiency closer to 20 percent by trapping more light and by reducing electricity loss in the wires. The trick, though, is to get that efficiency with manufacturing techniques that don't add cost.

No comments:

Post a Comment