An anonymous reader writes "With the time approaching when we'll be changing our clocks again, the Wall Street Journal is running a timely article on a study done by a UC-Santa Barbara economics professor and a Ph.D. student. The study unambiguously concludes that Daylight Saving Time not only doesn't save any energy, it actually wastes energy and costs more. The study used energy company records from Indiana before and after that state mandated DST for all of its counties, and calculated that the switch cost Indiana citizens $8.6M per year. 'I've never had a paper with such a clear and unambiguous finding as this,' the professor said."
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