 HOUSTON, May 19, 2021 PRNewswire -- U.S. Well Services Nasdaq: USWS USWS or the Company today announced the next generation of its proprietary Clean Fleet technology with the unveiling of its newly designed Nyx Clean Fleet frac pump. Nyx will use our patented PowerCube, driving two independently controlled electric motors and frac pumps to provide 6,000 hydraulic horsepower HHP on a single trailer. 