"For decades, conventional wisdom has held that daylight-saving time, which begins March 9, reduces energy use. But a unique situation in Indiana provides evidence challenging that view: Springing forward may actually waste energy."
http://online.wsj.com/public/article/SB120406767043794825-UOLcfJA8x9Gw9ozbCz77MiLmtaE_20080327.html?mod=tff_main_tff_top
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