Ed Yost own interests turned toward reviving the lost practice of manned hot-air ballooning. This technology had first been invented in France by in the late 18th century by pioneers led by the Montgolfier brothers, but under the Montgolfier system, the balloon's air was heated by a ground fire prior to the balloon being released. The inherent danger of this type of balloon flight led to the system being abandoned when hydrogen and later helium became available. One of Yost's key engineering insights was that a hot-air balloon could be made to carry its own fuel. The invention of relatively light burners
Gatineau Hot Air Balloon Festival festival's first volunteer and a tree was also planted on site in her honor in conjunction of the festival's 20th Anniversary which also honored the founder of the festival. After that event, he never piloted a hot-air balloon and left his general manager spot of the Festival afterwards - some speculations were that the new city of Gatineau administration of Yves Ducharme tried to force him out of the job by offering a spot for the new city as chief of communications. He was handled that position for a few months during rehabilitation, but the position was later removed and