I didn't know they were in the works also... every once in a while do a YouTube search to see how they are coming along in development, etc. For Search: Tick!
Solar is booming. Solar power is now cheaper than coal in some parts of the world, and generating power from the sun is likely to be the lowest-cost energy option globally in less than ten years, according to Bloomberg. In many places around the world, solar is already the lowest-cost option. (continued at Green America) Please check [...]