Why Solar-Powered Planes Are Still a Long Way From Carrying Passengers

Swiss pilot Bertrand Piccard made headlines on Saturday when he glided a solar-powered plane onto Moffett Airfield in California after a three-day journey across the Pacific Ocean. It’s the most recent stop in an around-the-world trip that began in Abu Dhabi last spring and is intended to raise awareness about the importance of reducing carbon emissions through the use of clean energy. The plane itself, “Solar Impulse 2,” is a true zero-fuel aircraft, powered by more than 17,000 solar cells. It’s designed to carry just one pilot – Piccard and…

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