Does daylight-saving time save energy?
We have four more weeks of longer daylight this year than last in an effort to save energy–is it working? (Why do we still change our clocks, again?):
[From the Number Guy at the WSJ]:
When Edward Markey, a Massachusetts Democrat, and Fred Upton, a Michigan Republican, introduced the bill, they said the extension could save Americans the equivalent of 100,000 barrels of oil a day — an estimate repeated frequently in the media. But that statistic relied on figures from 1974, when President Nixon sprung clocks forward early, in January, during an energy crisis.
Since the 1970s, however, Americans’ behavior and the range of appliances they use have changed dramatically.
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