
The Air Force is investing in LiquidPiston’s X-Engine technology to create a hybrid-electric propulsion system to power emerging technologies like unmanned aircraft systems (UAS) and orbs, the company said on March 4. The Small Business Technology Transfer (STTR) contract worth $150,000 was awarded through AFWERX to support Agility Prime, a program developing electric vertical take-off and landing (eVTOL) aircraft for commercial and military use. UAS and eVTOLs are being developed with battery-powered propulsion systems that have limited their range of…