While the vast majority of engines have used the same piston and cylinder design for decades, there have been exceptions like ...

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...

BMW has adopted an aluminum piston developed by Federal-Mogul for use in its M550d xDrive sedan. The piston meets the strength and thermal performance requirements of very high-power diesel engines ...

Toyota is famous for its 2JZ engine. Mazda has the Wankel rotary. Subaru gets the "boxer." These engines have earned our respect and admiration, even with their shortcomings. Honda has its own ...

Achates Power of San Diego has developed a two-stroke truck diesel that has two crankshafts linked to two opposed pistons facing each other in a common cylinder. The biggest advantage of this design ...