 ALBANY, NY ACCESSWIRE September 30, 2021 Mechanical Technology, Incorporated MTI or the Company, NASDAQ:MKTY, the parent company of EcoChain, Inc. EcoChain, a cryptocurrency mining business powered by renewable energy, and MTI Instruments, Inc. MTI Instruments, a test and measurement instruments and systems business, today announced that it has been invited to present at the Fall Harvest - Best Ideas from the Buy-Side conference, which is being held virtually on October 5th - 8th, 2021. Michael Toporek, CEO, will present at the conference Mechanical Technology is scheduled to present on Wednesday, October 6th at 3:30 PM ET. 