The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Informational Only

This challenge is no longer accepting new submissions.

Green Flight Challenge

NASA Centennial Challenge to build an aircraft that can fly 200 miles in less than two hours using the energy equivalent of less than 1 gallon of gas per occupant

National Aeronautics and Space Administration

Total Cash Prizes Offered: $1,650,000
Type of Challenge: Scientific
Submission Start: 09/01/2010 04:00 AM ET
Submission End: 01/01/2011 04:59 AM ET

This challenge is externally hosted.

You can view the challenge details here: http://cafefoundation.org/v2/gfc_main.php

Informational Only

Green Flight Challenge

NASA Centennial Challenge to build an aircraft that can fly 200 miles in less than two hours using the energy equivalent of less than 1 gallon of gas per occupant

National Aeronautics and Space Administration

Challenge Details

This challenge is externally hosted.