Half a croissant, on a plate, with a sign in front of it saying '50c'
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vehicle: aircraft: airship: solar
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Ideas are sorted alphabetically.
Ideas in bold have been created this week.
 (+5, -2)  RC solar balloon (or a solar BEAM blimp) 
 (+9, -2)  Solar Blimp 
 (+6, -3)  Solar/ Fuel Cell H2/He Airship 
 (+2)  Solar + human powered-electric blimp; not again? Yes again! 
 (+8)(+8)  Stirling High Altitude Blimp 
 (+4)  Stratollites 
   Trailing Solar Chimney Powered Blimp 
 (+1, -3)  Truly Sustainable Transportation 

 

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