Why you should care about Solar Impulse and renewable energy’s long, long journey

The Washington Post: It has now been more than 45 days since Solar Impulse took off from San Francisco for an across-the-nation journey powered only by the sun, and already there’s fatigue in some corners. When Solar Impulse finally landed in Washington, DC this weekend, there were no jubilant crowds of the type that met Charles Lindbergh when he arrived in Paris after his epic transatlantic flight.

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