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Re: Cheapest Solar power, even cheaper than Coal & Gas.     

Author: James Wright
Date: Aug 22, 2008 11:22

... 1%% for the biofuel path. Solar thermal has 20%% efficiency from ... overall (counting the efficiencies in power transmission/distribution (~90%%), battery cycle ...stuff about electric cars. Also, solar thermal electricity (daytime) will be...typically coincides with top-power of solar thermal plants. The demand...the bulk of that using pumped water has already been exploited...
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Re: Power/Acre: Solar Thermal v Bio diesel     

Author: Bret Cahill
Date: Apr 26, 2008 04:47

...energy storage device, i. e., battery, pumped water, etc., is only 10%%... is conventional turbines running off solar thermal. Can you give a ... least the current popularity of solar thermal. This is 1950's ... United Technologies geo thermal plant powering a resort in Alaska. They ... boiling point. The organic vapor powers the turbine. The Carnot efficiency ...
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Re: Power/Acre: Solar Thermal v Bio diesel     

Author: tg
Date: Apr 26, 2008 02:52

...> electrical energy storage device, i. e., battery, pumped water, etc., is only 10%% efficient, dish Stirling _still_ beats ... only thing I've heard about is conventional turbines running off solar thermal. Can you give a reference? ...> This pretty much explains at least the current popularity of solar thermal. This is 1950's sci-fi that has yet to ...
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Re: Power/Acre: Solar Thermal v Bio diesel     

Author: Bret Cahill
Date: Apr 25, 2008 15:23

... electrical energy storage device, i. e., battery, pumped water, etc., is only 10%% efficient, dish Stirling _still_ beats ... only thing I've heard about is conventional turbines running off solar thermal. Can you give a reference? Diesel from ...? This pretty much explains at least the current popularity of solar thermal. This is 1950's sci-fi that has yet to ...
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Re: Power/Acre: Solar Thermal v Bio diesel     

Author: tg
Date: Apr 25, 2008 14:42

... store and transport energy, but even if the electrical energy storage device, i. e., battery, pumped water, etc., is only 10%% efficient, dish Stirling _still_ beats bio diesel in mech....want to tip them off. The only thing I've heard about is conventional turbines running off solar thermal. Can you give a reference? Diesel from algae seems likely. I don't know. ...
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Re: Power/Acre: Solar Thermal v Bio diesel     

Author: Bret Cahill
Date: Apr 25, 2008 10:57

... Now, to be sure, no one will deny that liquid fuel is often a convenient way to store and transport energy, but even if the electrical energy storage device, i. e., battery, pumped water, etc., is only 10%% efficient, dish Stirling _still_ beats bio diesel in mech. energy/land use. Bret Cahill Not a useful comparison Bret. Land and capital cost of...
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Re: Power/Acre: Solar Thermal v Bio diesel     

Author: tg
Date: Apr 25, 2008 07:57

...). Now, to be sure, no one will deny that liquid fuel is often a convenient way to store and transport energy, but even if the electrical energy storage device, i. e., battery, pumped water, etc., is only 10%% efficient, dish Stirling _still_ beats bio diesel in mech. energy/land use. Bret Cahill Not a useful comparison Bret. But at least neither one actually works....
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Power/Acre: Solar Thermal v Bio diesel     

Author: Bret Cahill
Date: Apr 24, 2008 21:49

... (24/7/52). Dish Stirling averages over 120 kW/acre mechanical work (24/7/52). Now, to be sure, no one will deny that liquid fuel is often a convenient way to store and transport energy, but even if the electrical energy storage device, i. e., battery, pumped water, etc., is only 10%% efficient, dish Stirling _still_ beats bio diesel in mech. energy/land use. Bret Cahill
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Re: Cheapest Solar power, even cheaper than Coal & Gas.     

Author: Rod Speed
Date: Aug 18, 2008 13:55

...We need a balanced set of power sources. Nope. Because... The nuke plant...with a place like HongKong. Nuclear power has not been fully developed until...including the waste involved in the solar industry. No. Yep. We "harvest" ...are mined... because I am sure solar will have similar mining requirements, ...a need for other stuff like pumped water storage to assist with ...
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Haiti Report for October 15, 2007     

Author: NY.Transfer.News
Date: Oct 15, 2007 12:07

... wonderful aquifer. Its because they cant pump that water up. For La ... the installation of a solar-powered pump, an addition that both saves valuable fuel and minimizes the need... the Senate, which has the power to dismiss the country's ... told Reuters. Jostling for political power is getting fiercer as political ... Senate, which has the constitutional power to fire the prime minister ...
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