Honeywell and Safran have teamed up to create EGTS International, a company that makes Electric Green Taxiing Systems for airliners. Honeywell has extensive experience with auxiliary power systems and Safran makes “world-class landing gear systems.” Put them together and you have the self-powered landing gear which made its public debut at the Paris Air Show this week. Others have been working on the same type of system, but EGTS is the first to show the technology off at an air show. Besides making the display Airbus A320 one of the quietest airplanes moving across the tarmac at the show, the system could save airlines up to four percent per flight on fuel burn. As the EGTS web site explains, “Because an aircraft’s main engines are optimized for flying rather than taxiing, they burn a disproportionate amount of fuel during ground operations. With a short- or medium-range aircraft spending up to 2.5 hours of its time on taxiways every day, …