In December 1903, Wilbur and Orville Wright made the first successful flight with a self-propelled craft. And while airplanes have become much more advanced since that first flight, their engines haven’t actually changed much since the 1960s.  That’s a big problem. Aviation emissions are one of the largest contributors to climate change.  There are also a lot of problems with everything that leads up to a flight. From the moment you leave for the…