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Answer by Dana1981, Master of Science
One is. Aptera is making an EV and plug-in hybrid which will have a solar panel on the roof.

http://www.usatoday.com/money/autos/2008-01-10-aptera_N.htm

http://aptera.com/

Also the ZAP-X EV is supposed to have nano solar cells in its windows.

http://zapworld.com/electric-vehicles

And the ZAP Xebra Xero has a solar panel on top.

http://www.zapworld.com/electric-vehicles/electric-cars/xebra-xero-truck

And you can alter current hybrids to add a solar panel to the roof.

http://4wheelsblog.com/prototypes/solar-power-option-for-toyota-prius

But I do not think the major auto companies (i.e. Chevy Volt) are planning on putting solar panels on their plug-ins.

Answer by fred
Solar Electrical Cars specializing in adding a convex solar roof to hybrid cars. The solar modules are rated at 200-300 watts, and this power is utilized to charge a supplemental battery. With the solar roof, the Toyota Prius can operate up to 20 miles per day in electric mode

http://www.batteryvehiclesociety.org.uk/wordpress/?p=121

also see http://solarvan.co.uk/

but generally it is more efficient to have a home based system that can be optimised for size and direction/shading and avoid carrying the extra weight around; Tesla http://www.teslamotors.com offer such a service

Answer by adio_J
Tobe efficient, you would need about 4KW of panels. That wuld be as many square feet as the wings of a small sized airplane. Not appropriate.

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• Free heat from the sun
• Roof mount kit included
• Can add panels to system in the future
• Can be used for inground or above ground pools.
• You get 2 x 2`x 10` panels = 4`x 10`

See store for optional items for this product. Diverter valve, and/or system kit suggested for optiomal performance.

SALE Price: $ 149.99

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4 of 4 people found the following review helpful: wrong size, July 6, 2010 By  patndave – See all my reviews Amazon Verified Purchase(What’s this?) This review is from: 4`x 10` Roof Mountable Solar Panel Kit the description states it is 4 ft wide but what was sent was 2 ft wide. had 2 return it. do not think fafco makes them 4 ft wide any more. Help other customers find the most helpful reviews  Was this review helpful to you?  >Report abuse | Permalink  Comment

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This solar ventilator removes hot humid air from roof spaces much more efficiantly than normal wind turbines

Simple instructions show you how to cut a 3 inch hole or drill a pattern of small holes in your structure. The solar vent comes with a mounting base plate for the outside and a vent grill plate for the inside

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Inside grill size; 6×6

Outside mounting plate; 6×6

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38 of 42 people found the following review helpful: Over priced cheap toy at ideal Solar ventilator Vent Fan for toy house, September 30, 2008 By  Elisha Markay: Christian – See all my reviews Amazon Verified Purchase(What’s this?) This review is from: Solar Panel Ventilator Vent Fan for House, Home, Roof, Shed, Boat – Mounts on Roofing, Fiberglass, Wood, Metal, Glass nearly any type of Surface It is not anything but a toy. It can’t be made water tight as it is. At ideal an over priced toy worth 5 dollars. Help other customers find the most helpful reviews  Was this review helpful to you?  >Report abuse | Permalink  Comment 3 of 3 people found the following review helpful: Going Green Ventilator, April 28, 2010 By  Clifford Rodgers “Cliff” (Mojave Desert, CA) – See all my reviews    Amazon Verified Purchase(What’s this?) This review is from: Solar Panel Ventilator Vent Fan for House, Home, Roof, Shed, Boat – Mounts on Roofing, Fiberglass, Wood, Metal, Glass nearly any type of Surface This ventilator is simple to install, runs very quietly and works very well. Since it is solar, no wiring is needed. The air flow is constant from early light to sunset. Help other customers find the most helpful reviews  Was this review helpful to you?  >Report abuse | Permalink  Comment 17 of 25 people found the following review helpful: solar panal fan, January 25, 2009 By  Yvonne R. Eversole (Utah) – See all my reviews    Amazon Verified Purchase(What’s this?) This review is from: Solar Panel Ventilator Vent Fan for House, Home, Roof, Shed, Boat – Mounts on Roofing, Fiberglass, Wood, Metal, Glass nearly any type of Surface The directions are more complicated and involved for this project than I thought they would be. I have not tried to install the attic solar fan. Help other customers find the most helpful reviews  Was this review helpful to you?  >Report abuse | Permalink  Comment

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When the solar contractor came to give us an estimate, he wanted to know the age of the roof. We do not know and could not figure out. Any suggestion? And how young the roof should be for the solar panel installation. THANKS for your answer.

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Answer by cookscuzy
Talk with the outfit you purchased the equipment from. A lot depends on Weight and brackets.

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Know better? Leave your own answer in the comments!

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Answer by TaylorJ
It runs a fan inside the car to keep the interior cool on hot sunny days. So that translates to…you guessed it…marketing tool…”look how green we are!”

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Answer by radiorog8
diy.com will have info on how to begin

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Answer by Hard Rocker
The most barely detectable door and/or window crack can wind up generating pricey A/C and/or heating bills. Go over these areas carefully. Affordable white calk or other color sealants can cover these areas with minimal, if any, defacing.

“Eco-friendly” light bulbs, quite popular and in stock at most “do it yourself” or retail stores also can be of help here.

If you have a central air / heat pump unit: change or clean filters each 30 days and make sure high weeds or grass are clear of the outside compressor unit; check the grill area also insuring it too is clear of any clogging or obstruction. Maintain an average inside home temperature of 75 degrees.

Many homeowners swear using the “pink fiberglass” insulation around the hot water heater unit can be a large energy saver. If you select to do this–do so with a CAREFUL degree of common sense: make sure the insulation doesn’t come near the pilot lighting or electrical component of the heater unit or hampers the operation of the water heater.

And it’s always a good idea each six months to clean sediment out from the heater. Get the safety instructions on how to do this and follow them carefully.

Setting your Computer and monitor both to “sleep” modes also can save energy. And it’s a pain in the…..well….you know where….but it’s a true energy saver: Unplug Television sets when no longer used for the evening. Yes: even when turned off, a Television and/or stereo set STILL drains electricity.

Solar panels CAN save some on a home’s utility usage, but constant weather exposure ( wind, snow, hail and yes…..even sun) can cause wear and tear on them—and they aren’t cheap to repair or replace.

Tree shade is another novel approach—until a severe storm, hurricane or tornado brings that tree crashing on your roof, making a “natural” skylight that can prove very pricey to repair.

Oh yeah….almost forgot….turn off that light when not in use.

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Answer by Bob L
While it’s a great GREEN idea, it’s a bit impractical.
All horizontal surfaces of the car would need to covered in solar panels. Cars would have to pared down to hundreds of pounds instead of thousands, and some other option would have to be offered in regions where clouds are in competition with the sun.

Not to mention, what does one do at night?

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• Ll Building Products Solar Power Vent Roof Mount
• Galvanized steel construction
• Helps prevent wood Rotating and extend the life of exterior paint
• Includes remote solar panel mounting system.

Product Description
Galvanized steel construction. Works with existing soffit intake vents to help remove damaging heat and moisture from the attic. More effective than roof louvers or turbine style vents. Helps prevent wood Rotating and extend the life of exterior paint. Elimina tes related utility cost. Passes 110 mph wind-driven rain test. Power source – DC motor w/10 watt Solar panel, tested to withstand hail and foreign object impact for long-lasting operation. Brushless motor last up to ten times longer than traditional mot ors. Airflow (Cubic Ft. Per Min.) 500. Tilt and swivel design for optimal solar exposure. Extra-wide flashing helps prevents leaks. Includes remote solar panel mounting system…. More >>

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