In this week's State of the Union address, President Bush said that "our security, our prosperity and our environment all require reducing our dependence on oil." In this segment, we'll take a look at progress in one field that could help do just that -- solar power.
Solar power is often offered as one of the most promising forms of renewable energy. While the public often focuses its attention on solar photovoltaics -- the solar panels that change solar energy directly into electricity, as in a pocket calculator -- solar thermal technologies are making great strides. In its simplest forms, solar thermal techniques can heat water for a swimming pool or a shower. High performance, high temperature solar thermal devices can be used to drive a turbine and generate electricity. We'll get an update on where the technology -- and the industry -- stands. How effective can solar power be, and how close is the solar power industry to being able to deliver on the promise of the technology?
Produced by Karin Vergoth