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 ...

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 ...

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 ...

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.

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

BLOOMFIELD, Conn., Nov. 01, 2022 (GLOBE NEWSWIRE) -- LiquidPiston, the leading innovator of efficient engine technology and hybrid power systems, announced a $9 million award from the U.S. Army to ...