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 ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

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 ...

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.

It started in 2023. General Motors (GM) announced that it was investing nearly $900 million in the development of the next-generation small-block V8 engine to power its large pickup and SUV models, ...

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 ...

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 ...

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

The Astron Aerospace H2 Starfire is a clean burning hydrogen and water powered internal combustion engine alternative to battery cell technology. There is very little parasitic power loss with the H2 ...