Swedish researchers believe the problem of battery efficiency in electric cars can be solved by turning the car's entire frame into one, big battery. They say their solution would remove the drag created by today's heavy batteries, vastly increas...
Deadline: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
Deadline: Jul 15 2013
Reward: $5,000 USD
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