Not only can you drive hybrids for green self-satisfaction, you can light your building with hybrids, too. Hybrid lighting, that is, a new technology from the Oak Ridge National Laboratory. The system pipes sunlight throughout a building, providing useful levels of light whenever the sun is out. But on cloudy days, or at night, the lighting fixtures turn on fluorescent tubes to supplement the output -- that's the "hybrid" part. The system can even capture light for power generation. [more]