 ALBANY, N.Y., May 4, 2021 PRNewswire -- EcoChain, Inc. EcoChain, a wholly-owned subsidiary of Mechanical Technology, Incorporated MTI or the Company, NASDAQ: MKTY, a cryptocurrency mining business powered by renewable energy, today announced two new lease agreements located in the Southeast United States, providing EcoChain with access to ultra-low cost energy with an existing building and surrounding land for additional capacity. 