Actually, I'm now seeing solar panels available to the consumer market with efficiencies as high as 45%. They're expensive mono-crystalline, but they're still 45%.
I understand what you're saying about the amount of energy it takes to move an electric car, but what you're forgetting to realize is that it doesn't only gather energy during use.
A) The car can be collecting energy all day while the car isn't in use.
B) They do say that it will be solar and grid charged.
C) If you have a full traction pack and you begin driving, solar power can help off-set the amount of energy used over time.
It's a good idea to me. Although, it's good that you know your math. I've done research on this too.
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2002 Corvette Z06 - Totaled
2003 Corvette Z06 50th Anniversary
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