The Xponential expo floor is packed with innovations this year. Among the hundreds of startups and spinoffs is a company that's been around for more than 90 years - Germany's Hirth Engines. Founded by a student of Thomas Edison who collaborated with the Wright Brothers and Zeppelin, they have a rich history in the development of the two-stroke engine: and now they're bringing … [Read more...] about This 92 Year Old Company is Innovating in the Drone Industry: The Hirth Engine