 ALBANY, N.Y., May 18, 2021 PRNewswire -- Mechanical Technology, Incorporated MTI or the Company, NASDAQ: MKTY, the parent company of MTI Instruments, Inc. MTI Instruments, a test and measurement instruments and systems business and EcoChain, Inc. EcoChain, a cryptocurrency mining business powered by renewable energy, announced today its first quarter 2021 financial results. 