The trillion-dollar budget bill that Congress passed last weekend includes plenty of non-spending provisions tucked into it. One of these so-called riders is aimed at saving the 100-watt incandescent light bulb.
But the move is more about politics than light.
Strictly speaking, the issue is this: Old-fashioned incandescent bulbs waste a lot of energy. So under federal law, they're being slowly phased out. The first to go, starting on New Year's Day, is the 100-watt bulb.