POMPANO BEACH, FL / ACCESSWIRE / May 29, 2014 / Cyclone Power Technologies Inc. (CYPW), developer of the all-fuel, clean-tech Cyclone Engine, announced that it has successfully delivered its prototype S-2 engine and auxiliary power unit (APU) to the U.S. Army / Tank Automotive Research, Development & Engineering Center (TARDEC), in full satisfaction its $1.4 million development contract with the government. With this accomplishment, Cyclone has submitted for payment a final invoice for approximately $150,000.