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A comment on Ohm (YC S15) is a smarter, lighter car battery that works with your existing car. Parent comment

Re:Ohm (YC S15) is a smarter, lighter car battery that works... by blueintegral on Wednesday August 12, 2015 @05:54PM (#10050917)
It depends on a lot of things of course, but yes, over the lifetime of the battery, it will pay for at least a large percentage of itself. We estimate about $10 a year gas savings.
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