Geothermal using a 2 stage compressor is a whole lot more efficient (in excess of 500% in some cases) and cheaper (doesn't require a 6000'+ hole), too.
Steppin' over Pounds to pick up Pence.....
4 posted on 02/25/2011 11:20:14 AM PST by Thermalseeker
(The theft being perpetrated by Congress and the Fed makes Bernie Maddoff look like a pickpocket.)