“ Electric Airplanes With all this air pollution today, aircraft are one of the #1 polluters. The idea of Electric Aircraft is just brilliant. A... (read full comment) ” 

Posted on November 10, 2011 at 11:02 PM EST

“ How Aviation can be clean With the advancement of today's engines and aerodynamics, we should see more efficient planes soon. But again, it will... (read full comment) ” 

Posted on November 10, 2011 at 10:49 PM EST