It's the end of an era that once illuminated a bright new technological age. Starting Jan. 1, traditional incandescent bulbs, the ones still favored by more than half of light-bulb buyers, will begin ...

It’s been nearly two years since U.S. manufacturers stopped making conventional 40- and 60-watt incandescent lightbulbs. While you can still find a few on store shelves, the familiar incandescent ...