Would You Buy A $40 Lightbulb?
That is the question Marc Gunther asks in Greenbiz, after looking at Phiips' math in the ad shown above. It seems to make sense, if you are willing to wait 25,000 hours (about 20 years in average use) for your payback. Marc notes that "If you're balking at those price tags, you're surely not alone." What would you do?