Thread: DIY Solar PV panels sold at Lowes
View Single Post
Old 02-22-2010, 09:31 PM   #18 (permalink)
gone-ot
...beats walking...
 
Join Date: Jul 2009
Location: .
Posts: 6,190
Thanks: 179
Thanked 1,525 Times in 1,126 Posts
...the new "eco" efficiency coefficient: nu = (money OUT / money IN)
  Reply With Quote