Tagged: Solar Energy

The Solar Impulse, a solar-powered airplane with the 208-foot wing-span, has begun a slow journey across the United States.

We've told you about the Swiss plane before. A year ago, the plane took 20 hours to fly from Switzerland to Spain and then flew to Morocco completing its first transcontinental flight.

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RACHEL MARTIN, HOST:

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DAVID GREENE, HOST:

Now solar power has had its problems in recent decades. For years, solar panels were too expensive to compete. More recently, as we heard earlier in the business news, solar panels got so cheap that manufacturers ran into trouble. But solar energy had a signal achievement in March, and that is our last word in business today.

STEVE INSKEEP, HOST: