Solar Impulse 2 broke the world records for longest solo and solar flight ever when it flew from Japan to Hawaii in 2015. The five-day flight was piloted by Andre Borschberg.  Photo 2 of 7 in Demand Better Solar™ by SunPower

Demand Better Solar™

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Solar Impulse 2 broke the world records for longest solo and solar flight ever when it flew from Japan to Hawaii in 2015. The five-day flight was piloted by Andre Borschberg.