Can they build this?

April 25, 2013 4:00am CST
I was just thinking about global warming, destruction of nature, price hike of gas, then it struck me. Why can't the good scientist of the world invent a car that is solar powered and also harvest kinetic energy. This could be a good invention. You won't need gas, you'll not contribute to production of destructive CO2 and you'll save a lot of money. What do you think guys?
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