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Hawaii, USA, Feb 26th 2016: Solar Impulse 2 undertakes a maintenance flight performed by the test pilot Markus Scherdel in Hawaii before the resuming of the First Round-the-World Solar flights late April 2016. The Round-the-World Flight will take 500 flight hours and cover 35000 km. Swiss founders and pilots, Bertrand Piccard and André Borschberg hope to demonstrate how pioneering spirit, innovation and clean technologies can change the world. The duo will take turns flying Solar Impulse 2, changing at each stop and will fly over the Arabian Sea, to India, to Myanmar, to China, across the Pacific Ocean, to the United States, over the Atlantic Ocean to Southern Europe or Northern Africa before finishing the journey by returning to the initial departure point. Landings will be made every few days to switch pilots and organize public events for governments, schools and universities.
Hawaii, USA, Feb 26th 2016: Solar Impulse 2 undertakes a maintenance flight performed by the test pilot Markus Scherdel in Hawaii before the resuming of the First Round-the-World Solar flights late April 2016. The Round-the-World Flight will take 500 flight hours and cover 35000 km. Swiss founders and pilots, Bertrand Piccard and André Borschberg hope to demonstrate how pioneering spirit, innovation and clean technologies can change the world. The duo will take turns flying Solar Impulse 2, changing at each stop and will fly over the Arabian Sea, to India, to Myanmar, to China, across the Pacific Ocean, to the United States, over the Atlantic Ocean to Southern Europe or Northern Africa before finishing the journey by returning to the initial departure point. Landings will be made every few days to switch pilots and organize public events for governments, schools and universities.

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CNN's Jon Jensen reports on Solar Impulse 2's epic journey around the world on zero fuel.

Part 3: The biggest stories of 2016

CNN's Jon Jensen reports on Solar Impulse 2's epic journey around the world on zero fuel.