I just read an interesting article in U.S. News and World Report called “Power Revolution.” It says that due to Silicon Valley’s money, ideas, and push for alternative sources of energy they may make the green movement happen faster and with better alternatives. Vinod Khosla, founder of Sun Microsystems and venture capitalist, is one that is interested in promoting alternative energy now. He believes the government will move when entrepreneurs get interested and start moving. One estimate shows venture capital funds for green investments tripled last year to $2.4 billion working toward a clean future.
In the solar arena, there is Pacific Gas and Electric that announced it will install 5 times the amount of solar power available in the U.S. Their motto is cheaper, bigger, and faster. One of its partners, Solel, an Israeli firm will use mirrors much like the Kramer Junction solar plant, but PG&E is looking to reduce the silicon used for conductivity down to an ultra thin film. It will lower costs. The plan is to concentrate the energy reflected by the mirror film to one point. By increasing the energy and lowering the cost, the flat lands of the desert should provide enough solar resource to provide six times what California uses today.
One of the most promising renewable energy sources is one that isn’t often mentioned–deep geothermal heat. And how do you like this? Bush’s Crawford ranch is heated this way. He’s killing us with his thrust for more oil exploration, and more money in his civilian pocket, but uses geothermal energy himself. Anyway, MIT is working on improving this technology. Cold water is pumped down miles into the earth causing fissures in hot molten rock; the cold water is heated when it enters the fissures. The heated fluid flows back up to the production wells at the surface. The steam from this hot fluid is separated and used to turn a turbine generator. The article said that MIT stated it “could provide 10% of the U.S. base energy needs if the nation would spend $1 billion on its development over the next 15 years—less than the cost of one coal plant.” Hear that DTE?
As far as keeping ethanol in the equation, everyone pretty much agrees corn isn’t going to cut it. But, Range Fuels, founded by Khosla, received Dept. of Energy grants to make cellulosic ethanol fruition soon. A new commercial plant is set to go up outside a Georgia forestland in order to use all the timber waste wood. Range plans on using heat and pressure to change the wood into gas. Range’s senior exec used to be a VP for Apple Computer. Techies aren’t just providing capital; they’re on the job too.
Finally, not to be left out of the successful techie trek to the renewable energy market is Google. Google is sticking its money into plug-in hybrid cars. Google figures this is the quickest fix to lower our CO2 problem. It has a lofty goal of getting 100 mpg out of some cars. They want to see the big automakers mass produce plug-ins. From a program that I saw on Eco Tech on the Science Channel, there is the possibility that a plug in car can have a spare charge. When it’s plugged into an outlet again, the excess power goes back to the grid and shows up as a credit on the homeowners electric bill! That’s just too ingenius!
For the whole article: http://www.usnews.com/articles/business/economy/2007/10/26/power-revolution.html.
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