Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines.

The Piston Slap about Sue’s Forester was great! I was going to email this question to you anyway, then found that her issue ...

The problem of converting the oscillating mechanical force of a free piston engine remains with a conventional car. However the power of a free piston engine could be harnessed as part of an ...

In the video after the break, [Brick Technology] uses LEGO to gain some practical insight into the world of piston engine design, from single-cylinder all the way up to radial twelve-cylinder engines.

Porsche's six strokes include the four familiar ones: intake, compression, power, and exhaust. But it inserts an additional compression and power stroke in the middle (following the first power stroke ...

These engines mimic the function of an internal combustion engine, with each solenoid acting as a piston. The only problem ... While the small car doesn’t have steering and only goes at a ...