Brian James needed a light bulb. Just one little bulb to replace a 40-watt light that burned out in his stairwell. How hard can that be? Pretty hard, it turns out. “I’m balancing the expense versus ...

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As of Jan. 1 of this year, the 60-watt incandescent light bulb—that classic of the genre; the Edisonian ideal; the signifier that illuminates in your mind’s eye when you’re asked to picture “a light ...

— -- The nation's new light bulb rules start taking effect Sunday. What exactly do they require, and what's their likely impact, since Congress barred funds to enforce the efficiency standards?