Energy-Efficient Traffic Lights Can't Melt Snow
ARI SHAPIRO, host:
Good morning. I'm Ari Shapiro. A few words now about the dark side of energy efficiency, literally. Many American cities have new energy-efficient bulbs in their stoplights. They use 90 percent less energy, last longer and save money. But since the new bulbs don't emit heat, they don't melt snow. The Associated Press reports that dozens of car crashes have been blamed on snow-covered stoplights. Police say if lights are covered with snow, treat them like a stop sign. It's MORNING EDITION.
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