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Solar Impulse lands in Washington, DC, at Washington Dulles International Airport as part of its journey across America. | Video by Matty Greene, Energy Department; footage of the solar-powered plane courtesy of Solar Impulse.

This past weekend, Solar Impulse -- a solar-powered plane that flies day and night without the use of fuel -- completed its historic cross-country journey at New York City’s John F. Kennedy International Airport.

Solar Impulse’s unprecedented feat is a symbol of how far solar power has come and how far this clean energy source will go in the near future.

In this video -- captured during the plane’s stopover in the nation’s capital -- hear remarks from Secretary Ernest Moniz and catch breathtaking shots of Solar Impulse in flight.