Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

A new kind of internal-combustion range extender for electric vehicles skips crankshafts and camshafts entirely, with packaging that could more easily coexist with battery packs. The UK firm Libertine ...

A fresh and extremely powerful take on the rotary engine. Connecticut company LiquidPiston is developing a portable generator for the US Army using its X-Engine, which promises as much power as the ...

There's that relief that follows when power goes out and the sound of a generator kicks on. In just a few seconds, your lights are back, your A/C and fridge are up and running, and you don't have to ...