associated press
Snow-covered traffic lights caused a fatal accident during a snowstorm in Oswego, Ill., in April. The problem stemmed from replacing incandescent lights with energy-efficient ones, which aren't hot enough to melt the snow.

associated press Snow-covered traffic lights caused a fatal accident during a snowstorm in Oswego, Ill., in April. The problem stemmed from replacing incandescent lights with energy-efficient ones, which aren't hot enough to melt the snow.