In previous posts here and here, I discussed the major LED patent war between Samsung and Osram in various fora around the world including the U.S. International Trade Commission (ITC).

Recently, the two companies reached a settlement, and the ITC terminated its investigation. Although the (more…)

Solar power works best of course where the sun is brightest. However, another major factor is the capital cost for a solar installation. If your are poor, you cannot get started easily. One of the big opportunities positive climate action has presented the developing world is the chance to leapfrog a generation of energy technology straight into clean, green generation (more…)

Alta Devices, a Santa Clara, California solar PV company, recently announced that its gallium arsenide solar cells have set a new efficiency record of 28.2%.

The company’s press release quotes Alta co-founder Eli Yablonovitch, who says the trick (more…)