Summary: On this episode of V-RADIO in response to requests for more technology based shows I am proud to present Doyle Brewington, representing Powertube Inc. We will be talking about the Power Tube and it's potential to bring Geo-Thermal Energy to the world. Learn more about this technology here: http://www.powertubeinc.com/ V-RADIO is seeking donations for this month, please consider a donation by going to http://v-radio.org/donations