HOUSTON, TX / ACCESS Newswire / September 15, 2025 / Envirotech Vehicles, Inc. (NASDAQ:EVTV) (the "Company" or "Envirotech"), a leader in advanced transportation and defense innovation, today announced the successful completion of the first American-made heavy-lift drone capable of carrying 1,500 pounds, equipped with dual-use agricultural spray and wildfire protection technology. Performance Indicators (KPIs) Payload capacity 1,500 pounds - industry-leading for U.S. manufactured drones Liquid delivery of 1 ...