The free piston engine, a design with opposed pistons working ... Their focus is on free piston engines as power sources for hybrid electric vehicles, something which due to their small size ...

Eliminating connecting rods and much of the crankshaft would have advantages in terms of reducing friction and weight in ...

While some car companies have shifted their focus on electric vehicles (EVs ... of these new engines is a shorter piston stroke, allowing for a more compact design. This translates to lower ...