posted on Jan, 20 2010 @ 12:50 PM
yep, quite a common practise too. Hawaii for example uses their geological energy resource and have done for quite a while now..
I suggest you make more use of google when feeling inspired like you obviously where when thinking about this. It can get quite frustrating when you
have what seems like a brilliant new concept in your mind, only to realise someone has beaten you to it.
Seems like you have a great imagination. Don't be put off by these sets backs, its a very useful skill.