Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

At 7,500 rpm, the pistons in your race engine reach either top-dead-center or bottom-dead-center and change directions 25 times per second. That means the piston goes from traveling at top piston ...

Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Sleeving is more expensive than boring an engine block, but especially for aluminum blocks, sleeves may be better able to ...

Remarkable innovations have been made to automotive technology since Karl Benz introduced the world to the "Motorwagen" in 1866 and Henry Ford gave rise to the American auto industry with the Model T ...

The opposed-piston engine has been around for over 100 years and is more efficient in almost every way. The engine has no traditional valves, cams, or camshafts, and no head, so it’s simpler and ...