| theWatt Podcast 78 | Gunnar Asplund from ABB in Sweden is on the show talking about high voltage direct current electricity transmission. |
| theWatt Podcast 76 | Stephen talks to Cristiano da Silva Pinto from the Brazilian Reference Center for Hydrogen Energy at the State University of Campinas - UNICAMP in Sao Paulo, Brazil. |
| theWatt Podcast 74 | Bill Kemp is on the show discussing his new book "The Zero-Carbon Car" - a plug-in biodiesel hybrid car which he built. We talk about personal transportation issues and how he built his car. |
| theWatt Podcast 72 | Conversation with Dr. Alistair Miller from Atomic Energy Canada Ltd about general energy related issues and a possible scenario for a low CO2 emission future. |
| theWatt Podcast 71 | Conversation about gasification of solid fuels, one of the key technologies behind clean coal, with Dr. Ben Anthony from the CANMET Energy Technology Centre of Natural Resources Canada. |
| theWatt Podcast 70 | Conversation about the energy requirements of the food we eat with Nigel Winter from the Vegan Society (UK).
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| theWatt Podcast 69 | Conversation about nuclear power with Dr. Paul Howarth from the Dalton Nuclear Institute at the University of Manchester. |
| theWatt Podcast 67 Part 2 | Dr. Ulf Bossel, organizer of the Lucerne Fuel Cell Forum, talks about the future of the hydrogen economy and the more efficient electron economy. Transcript available below. |
| theWatt Podcast 66 | Topic: The thin-film solar scandal |
| theWatt Podcast 63 Part 2 | Bill Kemp, author of the books below, is on the show talking about off-grid living. More info on Bill's books can be found at AzText Press. Transcript available below. |
| theWatt Podcast 60 Part 2 | Bill Kemp, author of the books below, is on the show talking about biodiesel. More info on Bill's books can be found at AzText Press. Transcript available below.
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| theWatt Podcast 59 Part 2 | This show features a discussion with Tad Patzek, Professor of Civil and Environmental Engineering from the University of California, Berkeley. We spoke about the energy balance of ethanol. Transcript available below. |
| theWatt Podcast 57 | In this show, Calvin Jones from the Climate Change Action Blog gives us an update from the UK. Here are the stories he's talking about. |
| theWatt Podcast 56 Part 2 | This is a conversation with Steve Sottile from SWITCH. |
| theWatt Podcast 55 | In the show, Avi Friedman (professor of architecture at McGill University, director of the affordable homes program at McGill, author of many books |
| theWatt Podcast 54 | Paul Gipe is on the show talking about wind power and the roller coaster ride that it has taken since the 70s. Transcript available below. |
| theWatt Podcast 53 | In this show: Art Spinella, President of CNW Marketing Research explains how he came to the conclusion that hybrid vehicles consume more energy over their entire life than some SUVs. Transcript available below. |
| theWatt Podcast 52 | Dr. Arne Jacobson, Environmental Resources Engineering prof from Humboldt State University talks about thin-film solar cells. |
| theWatt Podcast 51 | Conversation with Deb Snoonian, senior editor from Plenty Magazine. |
| theWatt Podcast 49 | In this show, Mark Rodgers from Cape Wind Associates explains what is going on with the Young Amendment. |