Pipistrel wins $1.35 million in Google-sponsored 2011 Green Flight Challenge

In the end, the competition for the $1.35 million top prize in the 2011 Green Flight Challenge came down to just two craft, the eGenius and the Pipistrel G4. After both managed to meet the goal of the contest – fly 200 miles at over 100 miles per hour using less than the equivalent energy of one gallon of fuel per passenger – the winner seems to have been determined by its efficiency score.

[Autoblog]