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View Diary: Solar Energy Cheaper than Coal? (351 comments)

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  •  "but if these prices pan out, why not?" (0+ / 0-)

    Efficiency . You want you solar cell located where it will get the most sunlight . The cell is a collector ,
    to get the most bang for your buck , use it where it will collect the most . A flat panel atop a car is great at noon  on the day when the sun is straight overhead . A flat panel atop the roof of a building , thats tilted to the sun and tracks the sun is going to catch much more .

    "There are several of us trying to put the crazies back in the box." Admiral William Fallon

    by indycam on Tue Dec 18, 2007 at 09:37:35 PM PST

    [ Parent ]

    •  ditch em all then (0+ / 0-)

      Let's go to only using only hydro power as a renewable source of energy, as wind and solar power will always operate with less than 100% efficiency.

      A flat panel atop the roof of a building , thats tilted to the sun and tracks the sun is going to catch much more .

      But your perfectly tilted roof panel is going to be perfectly worthless for cars that can't be plugged in - like anyone that has to park on the street because they don't have a garage, or cars on a long distance trip.  Until now, solar cells have been expensive to the point where they should be put on roofs, because only so many could be made.  However, if these new cells are as good and as cheap to manufacture as claimed, it will be possible to do both.

      •  Your envisioned problems , (0+ / 0-)

        are not problems at all .

        If you decided to power your car batteries from a wind powered generator , would you mount the thing on the car ?

        "There are several of us trying to put the crazies back in the box." Admiral William Fallon

        by indycam on Wed Dec 19, 2007 at 10:46:28 AM PST

        [ Parent ]

        •  are you guys trying to kill me here? (0+ / 0-)

          Your envisioned problems are not problems at all

          How are they not problems?  Its a simple fact that we do not have the infrastructure to plug cars in for people that do not have a garage or park in a parking ramp, and possibly never will.

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