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 ...

The Rootes TS3 was a robust, compact engine that punched way above it size.

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 ...

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 ...