What is the purpose of a solar panel on top of the roof of the Toyota Prius?

S

STL Biker

New member
How much pwer does it actually add to the Prius or is it more of a marketing tool? How much extra does it cost to have a solar panel on the roof and is it worth the cost? What exactly does the solar panel generate electricity for? Is it to recharge the batteries?
 
It runs a fan inside the vehicle 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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