Compact, highly efficient heavy-fuel engines could unlock greater potential in small unmanned aircraft, enabling longer missions with heavier payloads. They also could accelerate the emerging electric ...

There's been a lot of development activity around flying vehicles recently, but the Air Force wants a shortcut to an unmanned electric vertical takeoff and landing (eVTOL) concept for urban transport.

BLOOMFIELD, Conn., April 04, 2023 (GLOBE NEWSWIRE) -- LiquidPiston, a leading innovator of compact and efficient engine technology and hybrid power systems, today announced the company’s intent to ...

BLOOMFIELD, Conn., April 18, 2024 (GLOBE NEWSWIRE) -- LiquidPiston, Inc., a leading innovator of efficient internal combustion engine technology and hybrid power systems, today announced that a fully ...

LiquidPiston is to study the application of its rotary diesel engine technology to hybrid-electric propulsion systems for unmanned aircraft and advanced air mobility vehicles under a contract from the ...

A company that makes an innovative rotary internal combustion engine just received a Phase I research grant from the U.S. Army to develop hybrid-electric propulsion for UAVs. The development ...