Large payload drones offer a significant new application and market for the devices.Vancouver, BC, Canada – TheNewswire - Sept 18, 2025 – First Tellurium Corp. (CSE: FTEL, OTC: FSTTF) reports that, further to the Company’s September 4, 2025 news release, First Tellurium’s subsidiary PyroDelta Energy has completed successful testing of thermoelectric modules that can extend the range of high payload drones powered by combustion engines. The modules, which attach to the engine exhaust manifolds, use heat dif ...