Thanks to nanostructures that scatter and channel light, University of California, San Diego electrical engineers are working toward thin-film “single junction” solar cells with the potential for nearly 45 percent sunlight-to-electricity conversion efficiencies. This effort to break the theoretical limit of 31 percent efficiency ...

followup podcast Three minute excerpt from PBS series e2 energy narrated by Morgan Freeman. This episode is the first in the series and titled ''Harvesting the Wind.'' Show is set to begin airing Fall '07. Check local listing for details, or visit our website at http://www.pbs.org/designe2/ Episode takes the viewer to southwest ...

Three minute excerpt from PBS series e2 energy narrated by Morgan Freeman. This episode is the second in the series and titled ''Energy for a Developing World.'' Show is set to begin airing Fall '07. Check local listing for details, or visit our website at http://www.pbs.org/designe2/ This episode stars Nobel Peace Prize-winner Muhammad ...

followup podcast Three-minute excerpt from PBS series e2 energy narrated by Morgan Freeman. This episode is the third in the series and titled ''Paving the Way.'' Show is set to begin airing Fall '07. Check local listing for details, or visit our website at http://www.pbs.org/designe2/ In America alone, nearly 70 percent of oil consumed ...

Three-minute excerpt from PBS series e2 energy narrated by Morgan Freeman. This episode is the fourth in the series and titled ''Growing Energy.'' Show is set to begin airing Fall '07. Check local listing for details, or visit our website at http://www.pbs.org/designe2/ In response to the oil crisis of the 1970s, Brazil created a domestic ...

Three-minute excerpt from PBS series e2 energy narrated by Morgan Freeman. This episode is the fifth in the series and titled ''State of Resolve.'' Show is set to begin airing Fall '07. Check local listing for details, or visit our website at http://www.pbs.org/designe2/ This episode highlights California and its progressive energy ...

Three minute excerpt from PBS series e2 energy narrated by Morgan Freeman. This episode is the last in the series and titled ''Coal & Nuclear: Problem or Solution?'' Show is set to begin airing Fall '07. Check local listing for details, or visit our website at http://www.pbs.org/designe2/ Renewables, biofuels, solar, wind and other energy ...

Amyris Biotechnologies hopes to convert sugar directly to fuel by reprogramming microbes. Jack Newman, PhD, Amyris Biotechnologies VP: ''Why are we making ethanol if we're trying to make a fuel? We should be making something that looks a lot more ...