LiquidPiston built a functioning engine and has demonstrated it powering a Go-kart. Shkolnik says the engine could see its first practical application, in a drone, within a few years. The liquid ...

LiquidPiston is aiming to meet the long-standing need for small, efficient and durable heavy-fuel engines for tactical UAVs. Credit: LiquidPiston LiquidPiston is to demonstrate a hybrid-electric ...

XCOR announced today that it has achieved a key technical milestone with its flight weight rocket piston pump hardware. XCOR engineers have successfully and repeatedly pumped liquid oxygen (LOX) at ...

The developer of a line of advanced rotary diesel and multi-fuel internal combustion engines is expanding into the renewable energy game. LiquidPiston's X-Engine, which we've covered previously and is ...