September 2011

Green Flight Challenge – Day Two

Green Flight Challenge – Day One

Pipistrel Preparing for Green Flight Challenge

Saving the Air While Saving Crops

A Seraph in the Earthly Sphere

Klaus Ohlmann Sets New Solar Records

Matters of Note for the Green Flight Expo

Power Spraying Takes on a Whole New Meaning

Albatross, Dragonflies, and Hummingbirds

An Electric Helicopter Lifts Off – Briefly