solar panel car

When Toyota introduced the 2010 Prius years ago, the automaker offered an optional solar panel on the roof of the car. The idea to power your electric vehicle from direct sunlight is understandably appealing, but the system was actually only able to power the climate control inside the system and not the battery pack to power the vehicle.

While solar is great as a source of energy and something we follow diligently here, it requires a great deal of space to make it worthwhile for transportation applications.  Toyota has said that it didn’t connect the previous $2000 Prius Solar Panel option directly to the engine because it caused radio interference with the car’s stereo. In reality, not much power would have been gained. The previous panels were 50watts or about a 6th of a solid 3’x5′ solar panel.

Now the Japanese automaker is bringing back the feature in the new 2017 Prius Plug-In, now renamed the ‘Prius Prime’, and it will reportedly be able to charge your battery pack to contribute to the vehicle’s electric range. Looking at the size, I’d guess it is at least 3-5 times bigger/more powerful than the previous Kyocera solar panel but even then, will it have a meaningful impact on driving/range? 
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