Golf balls have dimples, so they fly farther than balls that don't. Apply the same principle to diesel engines, and you have a gross oversimplification of why dimpled pistons were invented. It's a ...

Add Yahoo as a preferred source to see more of our stories on Google. Ferrari is exploring a groundbreaking approach to the internal combustion engine, as revealed by a recent European patent filing.

It goes up, compresses a violent explosion, and goes down. A piston's job is easy enough to understand, but if you examine what it's required to do, you may be amazed it works at all. Think about ...

The team at Garage 54 replace aluminum pistons inside of an engine with custom-made plastic pistons. The engine, surprisingly, runs for longer than it has any right to run. Garage 54 specializes in ...

We've highlighted the guys at Garage 54 a few times for some of their craziest builds and bizarre engineering experiments. With all due respect to the American tuners and hot-rodders squeezing extra ...

Recently, I had an opportunity to spend a day with "Mr. Horsepower" Nick Arias Jr., while covering a tech article pertaining to an Arias engine he built some time ago. Nick Arias is a man of genius ...

Building an engine requires patience and careful attention to details, even if it's a bone stock rebuild destined for everyday use, but a performance engine is asked to provide its handler with a bit ...

If you've been into cars for a while, you've probably swung a few engines over the fender that were assembled by someone else. That's cool, but it's probably about time to build one yourself. Overall, ...

The German company's 500-hp A03 is the most powerful piston aircraft certified to date and could act as a turbogenerator to power electric motors and recharge batteries. RED Aircraft's A03 piston ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...