You've heard that pistons have rings, but have you ever wondered why there are three? Here's how piston rings work together ...

According to fleet executives as well as fleet maintenance managers, the death of the internal combustion engine may prove to be greatly exaggerated in spite of the excitement about electric ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

Internal combustion engines have largely been eclipsed by advanced propulsion systems such as jet turbines, electric drives ...

The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of time ...

Volvo once created an engine known as the redblock. Its production didn't continue into the 2000s, but it's still regarded as a fantastic engine today.

Some Enginology columns ago, we spoke about the functionality and benefits derived from in-cylinder pressure measurement in increments of crankshaft angles. In that discussion, we noted several useful ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...